Harken 57mm Carbo Ratchet Block w/Cam Cleat

The Harken 57mm Carbo Ratchet Block with Cam Cleat offers precise control and effortless performance for demanding sailing applications. Its low-friction carbone fiber sheave ensures smooth, efficient line handling, while the integrated cam cleat provides reliable line holding and quick release. Designed for durability and lightweight efficiency, this block is ideal for expert sailors seeking enhanced trimming speed and control.

Sheave Ø (mm) 57 mm

Sheave Ø (in) 2 1/4 in

Maximum line Ø (mm) 10 mm

Maximum line Ø (in) 3/8 in

Maximum working load (kg) 136 kg

Maximum working load (lb) 300 lb

Sheave Ø (mm)	57 mm
Sheave Ø (in)	2 1/4 in
Length (mm)	103 mm
Length (in)	4 1/16 in
Weight (g)	247 g
Weight (oz)	8.7 oz
Maximum line Ø (mm)	10 mm
Maximum line Ø (in)	3/8 in
Maximum working load (kg)	136 kg
Maximum working load (lb)	300 lb
Breaking load (lb)	750 lb
Breaking load (kg)	340 kg
Shackle pin Ø (mm)	5 mm
Shackle pin Ø (in)	3/16 in
Holding power	10:1