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Harken Pivoting Single Bullet Block with Cam

Harken pivoting single bullet blocks 291 and 140 incorporates cams to quickly cleat line trim. Block 291 uses a lightweight Carbo-Cam, and the larger Big Bullet 140 has a higher load Cam-Matic.

Big Bullet Block 140 is designed for under-boom mainsheets or for spar-mounted halyards and control lines and pivots for a fair lead. The Bullet block line is compact and lightweight, with fast trim and release under high or low loads. Free-rolling Delrin ball bearings, sheave sideplates, UV-stabilized with carbon-back additive for maximum protection.

$99.92 / ea
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Tech Spec Product Info User Generated Content



291 Bullet Block


140 Big Bullet

Sheave diameter  1-1/8 inch  1-1/2 inch 
Length  2-3/4 inch  3-1/8 inch 
Weight  3.75 oz  8 oz 
Max. line diameter  1/4 inch  3/8 inch 
Safe Working Load  150 lbs  300 lbs 
Breaking Strength  2000 lbs  2000 lbs 
BRAND: Harken
Type: Blocks and Sheaves
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