Harken Bullet Blocks

Low-friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast trim and release under high or low loads. A range of styles lets these blocks adapt to almost all control line applications.

Delrin® ball bearings, sheave, and sideplates are UV stabilized with carbon black for maximum protection.  Wire Bullet blocks use roller bearings to carry higher loads and feature Hardkote-anodized Teflon® impregnated aluminum sheaves for strength and corrosion resistance. Mast exit blocks with cams used for halyard controls and under boom mainsheets.

Pivoting exit blocks with cams are often used for halyard controls and as “head knockers” for sheeting directly from the boom. The 140 has a high safe working load and is designed for spar-mounted halyards and control lines. The 141 is also ideal for control lines.

Harken 29 mm Through-Deck Bullet Block - Aluminum Cover
Low-friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast trim ..
Harken Bullet Cheek Block for Wire
Low-friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast tri..
Harken Bullet Exit Block w/Cam and Angle Bracket
Low-friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast tri..
Harken Double Bullet Block
Description = DoubleSheave dia. (in) = 1.125Sheave dia. (mm) = 29 Length (in) = 2.75Length (mm) = 70..
Harken Double Bullet for Wire
Low-friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast tri..
Harken Double Bullet w/Becket
Description = Double/becketSheave dia. (in) = 1.125Sheave dia. (mm) = 29 Length (in) = 3.5Length (mm..
Harken Dual Sheave In-Line Exit Bullet Block
Cutout (in) = 13/16 x 2 5/8Cutout (mm) = 21 x 67      Hole spacing (in) = 3.125Hole spacing (mm) = 7..
Harken Pivoting Cheek Bullet Block
Low-friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast tri..
Harken Single Bullet Block
Description = SingleSheave dia. (in) = 1.125Sheave dia. (mm) = 29 Length (in) = 2  Le..
Harken Single Bullet for Wire
Description = Wire single  Sheave dia. (in) = 1.125Sheave dia. (mm) = 29 Length (in) = 2  Length (mm..
Harken Single Bullet Swivel Block
Low-friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast tri..
Harken Single Bullet Swivel Block for Wire
Description = Wire swivel  Sheave dia. (in) = 1.125Sheave dia. (mm) = 29 Length (in) = 2.75Length (m..
Harken Single Bullet Swivel Block w/Becket
Low-friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast tri..
Harken Single Bullet w/Becket
Description = Single/becketSheave dia. (in) = 1.125Sheave dia. (mm) = 29 Length (in) = 2.75Length (m..
Harken Single Bullet w/Becket for Wire
Description = Wire single/becket      Sheave dia. (in) = 1.125Sheave dia. (mm) = 29 Length (in) = 2...
Harken Thru Deck Bullet Block
Description = Thru-deck*   Sheave dia. (in) = 1.125Sheave dia. (mm) = 29 Length (in) = 3  Length (mm..
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