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There’s a Rocna or Vulcan anchor to suit just about any vessel – including larger sizes not featured here. To choose the correctly sized Rocna or Vulcan anchor for your boat, follow the chart and instructions.
To choose the correctly sized anchor, find your vessel’s length from the column on the left, then track across that row until you find the first column with a displacement (in tonnes) the same or larger than the displacement of your vessel. The top of the column with the selected displacement indicates the recommended Rocna or Vulcan anchor.
Anchor Sizing Guide Rocna Brochure
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The Original ROCNA
The Rocna Anchor is a true multi-purpose anchor that sets and holds in most seabeds, from soft mud to hard sand, clay, grass, and kelp.
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The VULCAN
The Vulcan Carefully designed to offer the greatest possible compatibility across a wider range of vessel bow configurations.
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The FISHERMAN
Rocna Fisherman A specialist anchor for fishermen and divers who run an increased risk of getting their anchor stuck on an undersea obstacle.
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ROCNA GALVANIZED FISHERMAN ANCHORS
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Item
#
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Picture
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Description
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MSRP
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Fisherman Galvanized |
ROCFIS004GS
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ROCNA FISHERMAN 9 LB (4Kg) ANCHOR GALV
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$209.99
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177.44
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ROCFIS006GS
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ROCNA FISHERMAN 13 LB (6Kg) ANCHOR GALV
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$299.99
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253.49
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ROCNA GALVANIZED ANCHORS
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Item
#
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Picture
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Description
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MSRP
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Rocna Galvanized |
ROCORG004GS |

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ROCNA 9 LB (4Kg) ANCHOR GALV
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$209.99
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177.44
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ROCORG006GS
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ROCNA 13 LB (6Kg) ANCHOR GALV
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$299.99
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253.49
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ROCORG010GS
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ROCNA 22 LB (10Kg) ANCHOR GALV
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$390.99
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330.38
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ROCORG015GS
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ROCNA 33 LB (15Kg) ANCHOR GALV
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$495.99
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419.11
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ROCORG020GS
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ROCNA 44 LB (20Kg) ANCHOR GALV
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$631.99
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534.03
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ROCORG025GS
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ROCNA 55 LB (25Kg) ANCHOR GALV
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$854.99
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722.46
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ROCORG033GS
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ROCNA 73 LB (33Kg) ANCHOR GALV
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$1,232.99
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1,041.87
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ROCORG040GS
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ROCNA 88 LB (40Kg) ANCHOR GALV
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$1,743.99
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1,473.67
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ROCORG055GS
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ROCNA 121 LB (55Kg) ANCHOR GALV
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$2,555.99
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2,159.81
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ROCORG070GS
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ROCNA 154 LB (70Kg) ANCHOR GALV
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$3,544.99
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2,995.51
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ROCORG110GS
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ROCNA 243 LB (110Kg) ANCHOR GALV
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$6,158.99
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5,204.34
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ROCORG150GS
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ROCNA 330 LB (150Kg) ANCHOR GALV
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$7,962.99
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6,728.72
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ROCORG200GS
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ROCNA 440 LB (200Kg) ANCHOR GALV
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$11,116.99
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9,393.85
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ROCORG275GS
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ROCNA 606 LB (275Kg) ANCHOR GALV
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$15,022.99
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12,694.42
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ROCNA STAINLESS STEEL ANCHORS |
Item
#
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Picture
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Description
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MSRP
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Rocna Stainless Steel |
ROCORG004SS
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ROCNA 9 LB (4Kg) ANCHOR SS
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$720.99
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609.23
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ROCORG006SS
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ROCNA 13 LB (6Kg) ANCHOR SS
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$1,036.99
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876.25
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ROCORG010SS
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ROCNA 22 LB (10Kg) ANCHOR SS
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$1,727.99
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1,460.15
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ROCORG015SS
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ROCNA 33 LB (15Kg) ANCHOR SS
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$2,403.99
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2,031.37
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ROCORG020SS
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ROCNA 44 LB (20Kg) ANCHOR SS
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$3,110.99
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2,628.78
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ROCORG025SS
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ROCNA 55 LB (25Kg) ANCHOR SS
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$3,800.99
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3,211.83
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ROCORG033SS
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ROCNA 73 LB (33Kg) ANCHOR SS
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$4,319.99
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3,650.39
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ROCORG040SS
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ROCNA 88 LB (40Kg) ANCHOR SS
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$5,182.99
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4,379.62
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ROCORG055SS
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ROCNA 121 LB (55Kg) ANCHOR SS
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$6,910.99
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5,839.78
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ROCORG070SS
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ROCNA 154 LB (70Kg) ANCHOR SS
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$8,262.99
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6,982.22
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ROCORG110SS
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ROCNA 243 LB (110Kg) ANCHOR SS
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$12,920.99
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10,918.23
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ROCORG150SS
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ROCNA 330 LB (150Kg) ANCHOR SS
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$17,276.99
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14,599.05
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ROCORG200SS
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ROCNA 440 LB (200Kg) ANCHOR SS
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$24,037.99
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20,312.10
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ROCORG275SS
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ROCNA 606 LB (275Kg) ANCHOR SS
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$34,554.99
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29,198.96
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ROCNA GALVANIZED VULCAN ANCHORS
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Item
#
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Picture
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Description
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MSRP
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Vulcan Galvanized |
VLC4GS
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VULCAN 9 LB (4Kg) ANCHOR GALV
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$254.99
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345.46
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VLC6GS
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VULCAN 13 LB (6Kg) ANCHOR GALV
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$414.99
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350.66
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VLC9GS
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VULCAN 20 LB (9Kg) ANCHOR GALV
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$505.99
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427.56
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VLC12GS
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VULCAN 27 LB (12Kg) ANCHOR GALV
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$595.99
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503.61
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VLC15GS
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VULCAN 33 LB (15Kg) ANCHOR GALV
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$686.99
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580.50
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VLC20GS
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VULCAN 44 LB (20Kg) ANCHOR GALV
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$867.99
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733.45
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VLC25GS
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VULCAN 55 LB (25Kg) ANCHOR GALV
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$1,172.99
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991.17
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VLC33GS
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VULCAN 73 LB (33Kg) ANCHOR GALV
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$1,679.99
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1,419.59
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VLC40GS
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VULCAN 88 LB (40Kg) ANCHOR GALV
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$2,383.99
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2,014.47
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VLC55GS
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VULCAN 121 LB (55Kg) ANCHOR GALV
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$3,485.99
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2,945.66
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ROCNA STAINLESS STEEL VULCAN ANCHORS |
Item
#
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Picture
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Description
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MSRP
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Vulcan Stainless Steel |
VLC4SS
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VULCAN 9 LB (4Kg) ANCHOR SS
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$1,444.99
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1,221.01
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VLC6SS
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VULCAN 13 LB (6Kg) ANCHOR SS
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$1,805.99
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1,526.06
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VLC9SS
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VULCAN 20 LB (9Kg) ANCHOR SS
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$2,346.99
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1,983.20
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VLC12SS
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VULCAN 27 LB (12Kg) ANCHOR SS
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$2,709.99
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2,289.94
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VLC15SS
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VULCAN 33 LB (15Kg) ANCHOR SS
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$3,431.99
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2,900.94
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VLC20SS
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VULCAN 44 LB (20Kg) ANCHOR SS
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$4,333.99
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3,662.22
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VLC25SS
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VULCAN 55 LB (25Kg) ANCHOR SS
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$5,238.99
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4,426.94
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VLC33SS
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VULCAN 73 LB (33Kg) ANCHOR SS
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$5,959.99
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5,036.19
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VLC40SS
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VULCAN 88 LB (40Kg) ANCHOR SS
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$7,043.99
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5,952.17
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VLC55SS
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VULCAN 121 LB (55Kg) ANCHOR SS
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$9,391.99
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7,936.23
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