Description Two 57mm sheave diameter Hexaratchet Blocks– Port and Starboard

The Hexaratchet allows crew to hand-hold sheets with up to 10:1 holding power. These blocks feature an eight-sided sheave machined from solid aluminum for strength and corrosion resistance.

The ratchet blocks are paired for use on spinnaker and jib sheets where ratchets must rotate in opposite directions and on/off switches should face up.

Sheave: 57mm (2 1/4″)
Length: 108mm (4 1/4″)
Weight: 142g (5oz)
Max Line: 10mm (3/8″)
Shackle Pin: 5mm (3/16″)
Safe Working Load: 227kg (500lb)
Breaking Strength: 907kg (2000lb)
Holding Power with 180 degree wrap: 23kg (50lb) –
UK Postage Only