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, 1" Wire Forkhead Block w-Bkt, 466
*: Shackle to shackleDistance between pins (in): 5 11/16*Distance between pins (mm): 144*Max. luff w..
$48.95
Harken, 1.00 Single Wire Block, 300
Description: Wire fairleadWeight (oz): .50Weight (g): 14Fastener spacing (in): 1 1/2Fastener spacing..
$46.95
Harken, 1.00 Wire Thru Deck Block, 302
Description: Cheek+ *Sheave dia. (in): 1Sheave dia. (mm): 25Weight (oz): 1.25Weight (g): 35Max. wire..
$58.95
Harken, 1.50 Single Wire Block w-Becket, 313
Description: Adjustable pinstop/shackleLength (in): 4 7/16Length (mm): 113Width (in): 2 1/4Width (mm..
$85.95
Harken, 1.50 Wire Thru Deck Block, 306
Description: Cheek+ **Sheave dia. (in): 1 1/2Sheave dia. (mm): 38Weight (oz): 3.25Weight (g): 92Max...
$83.95