Blocks
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Harken blocks have become widely accepted as the industry standard for ball bearing blocks. We, at Discount Marine Source, are you complete source for all Harken Blocks. From the smallest control line block on a dinghy, to large Big Boat Blocks. |
Ball Bearing Blocks |

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Harken, 57mm Carbo Ratchamatic Flip Flop Block, 2144
Description: 57 mm Small Boat Flip Flop Block w/Cam CleatSheave dia. (in): 2 1/4Sheave dia. (mm): 57..
$251.95
Harken, 57mm Carbo Ratchamatic Flip Flop w-Cam, 2145
Description: 57 mm Ratchamatic Flip-Flop BlockSheave dia. (in): 2 1/4Sheave dia. (mm): 57Width (in):..
$344.95
Harken, 57mm Carbo Ratchamatic w-Cam & Becket, 2628
Description: Single/150 Cam-MaticSheave dia. (in): 2 1/4Sheave dia. (mm): 57Length (in): 4 1/16Lengt..
$225.95
Harken, 57mm Carbo Ratchamatic w-Cam Cleat, 2627
Description: Single/becketSheave dia. (in): 2 1/4Sheave dia. (mm): 57Length (in): 4 15/16Length (mm)..
$219.95
Harken, 57mm Carbo Ratchamatic, 2625
Description: 57 mm / becket / 150 camSheave dia. (in): 2 1/4Sheave dia. (mm): 57Length (in): 6 7/8Le..
$119.95
Harken, 57mm Carbo Ratchet Block w-Cam Cleat, 2138
Description: 57 mm CheekSheave dia. (in): 2 1/4Sheave dia. (mm): 57Length (in): 3 1/4Length (mm): 83..
$191.95
Harken, 57mm Carbo Ratchet Cheek Block, 2137
Description: 57 mm Single/Swivel/BecketSheave dia. (in): 2 1/4Sheave dia. (mm): 57Length (in): 4 15/..
$91.95
Harken, 57mm Carbo Ratchet w-Cam & Becket, 2139
Description: 57 mm Single/Swivel/150 Cam-Matic?Sheave dia. (in): 2 1/4Sheave dia. (mm): 57Length (in..
$197.95
Harken, 57mm ESP Footblock w-Lockoff, 6077
G (mm): -A (in): -A (mm): -D (in): -D (mm): -E (in): -E (mm): -F (in): -F (mm): -G (in): -..
$194.20
Harken, 57mm ESP Footblock, 6091
Description: Block 57mm SS ESP Swivel w/BecketMax. working load (lb): 2500Max. working load (kg): 11..
$138.25