Harken Single Blocks

Harken recommends equipping every system with Carbo lead blocks for safe furling from the cockpit. The 7404 kit's lightweight, UV-stabilized Carbo blocks run exclusively on ball bearings for fast trimming under any load. It provides a complete system for...

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. Specifications Sheave diameter: 1...

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. Specifications Sheave...

Lightweight, low-friction wire blocks carry wire halyards and high-strength control lines on boats of all sizes. The 466 features a forkhead and becket making it useful for vangs, halyards and control lines. Specifications Sheave diameter: 1" (25 mm)...

Lightweight, low-friction wire blocks carry wire halyards and high-strength control lines on boats of all sizes. Specifications Sheave diameter: 1 1/2" (38 mm) Shackle pin diameter: 1/4" (6 mm) Maximum wire diameter: 1/8" (3 mm) Maximum line diameter:...

Lightweight, low-friction wire blocks carry wire halyards and high-strength control lines on boats of all sizes. Specifications Sheave diameter: 1" (25 mm) Shackle pin diameter: 3/16" (5 mm) Maximum wire diameter: 3/32" (2 mm) Maximum line diameter:...

Lewmar 40mm Control Single Cheek Block is Ideal for use with hand-held loads, Lewmar’s Control Blocks feature lightweight, performance load-bearing capacity. MRT (Metal Replacement Technology) and a stainless steel central race and balls provide a...