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.

Harken Carbo T2 Block 57mm Single Ratchamatic

Harken Carbo T2 Block 57mm Ratchamatic *1.5 2167 H2O Sensations

Harken Carbo T2 Block 57mm Ratchamatic *2.0

Harken Carbo Block 57mm Single Swivel Ratchamatic 1.0

Harken Carbo 57mm Single Ratchamatic Swivel Block 15:1

Harken Carbo Block 57mm Single Swivel Ratchamatic*2.0

Harken Carbo Block 57mm Single Swivel Ratchamatic*2.0 HTE

Harken Carbo 57mm Single Ratchamatic Swivel Block *1.5 HTE

Harken Carbo Block 57mm Single Swivel Ratchamatic *1.0 HTE

Harken Carbo Block 57mm Ratchets Cheek Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing.

Core Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Acetal sheave, alloy cheeks and stainless fixings complete the durable package. For reliability and a long service life, these blocks are the...