Harken 57mm Carbo Ratchamatic Single Block with Swivel Head Red Badge_New Giving you more control and

Giving you more control and feel of your control system

Suitable for boats up to 30ft

T2 Soft-Attach Blocks

This Aerovane features a built-in counterweight which ensures accurate indication of apparent wind angle

Harken 57mm Carbo Ratchamatic Single Block with Swivel Head Red Badge_New Giving you more control andThe Carbo Ratchamatic is a load sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and light air modes is seamless. Standard grip: medium light air; 10: 1 holding power. This has a red sheave as per the image. Sheave 57 mm Length 103 mm Weight 104 g Shackle Pin 5 mm Maximum Line 10 mm Maximum Working Load 227 kg Breaking Load 907 kg Holding Power