29mm Pivoting Cheek Bullet Block

This Harken 113 Pivoting Cheek Bullet Block mounts on a flat surface and pivots on its #10 fastener for the best lead angle.

Harken designed their low-friction Bullet Blocks to lead control lines aft, but these truly Classic blocks can be found in an endless variety of applications. They are compact and lightweight, with free-running ball bearings that roll on flat races with minimal friction. They deliver dependable fast trim and release under high or low loads.

A range of styles lets these blocks adapt to almost all control line applications. Ideal for cunninghams, vangs, outhauls, traveler controls, spinnaker controls, barberhaulers, etc. 

Key Features

• Pivoting block is attached by a single #10 RH (5 mm) fastener
• Used on many types of control systems
• Corrosion-resistant stainless steel straps reinforce these blocks
• Ball bearings, sheave and sideplates are UV stabilized
• Fast trim and release under load: Free-running ball bearings roll on flat races with minimal friction
• Sheave Diameter: 1 1/8" (29 mm)
• Max. Line Diameter: 5/16" (8 mm)
• Max. Working Load (MWL): 300 lb. (136 kg)
• Breaking Load: 2000 lb. (907 kg)
• Weight: 1.0 oz. (28 g)
• Length: 2" (51 mm)