Blocks

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, Big Boat Roller Car for 1 Block, 3074

Harken, Big Boat Roller Car for 1 Block, 3074

Track: 661Width (in): 3 3/4Width (mm): 95Height (in): 3 3/8Height (mm): 86Weight (oz): 56Weight (g):..

$1,531.95

Harken, Big Bullet Cheek Block, 132
Harken, Bullet Cheek Block, 092
Harken, Bullet Thru Deck for Wire w-Stainless Coverplate, 288

Harken, Bullet Thru Deck for Wire w-Stainless Coverplate, 288

Cutout (in): 3/4 x 1 3/4Cutout (mm): 19 x 44Hole spacing (in): 2 1/4Hole spacing (mm): 57Description..

$48.95

Harken, Bullet Thru Deck w-Stainless Coverplate, 287

Harken, Bullet Thru Deck w-Stainless Coverplate, 287

Harken, Small Boat Major Compound Track Bend, 286..

$41.95

Harken, Double Big Bullet Block, 127

Harken, Double Big Bullet Block, 127

Sheave dia. (mm): 38Length (in): 3 1/2Length (mm): 89Weight (oz): 2Weight (g): 57Max. line dia. (in)..

$88.95

Harken, Double Big Bullet w-Becket, 128

Harken, Double Big Bullet w-Becket, 128

Description: DoubleSheave dia. (in): 1 1/2Sheave dia. (mm): 38Length (in): 3 1/2Length (mm): 89Weigh..

$92.95

Harken, Double Bullet Block, 084
Harken, Double Bullet w-Becket, 085
Harken, Double Micro Block, 226
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