HARKEN 57 CARBO BLOCK RATCHET CAM

Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. Glass reinforced nylon body with aluminuim sheave creates a tough but lightweight block. Double sided manual ratchet switch allows the ratchet to be turned on or off from either side of the block.

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

Shackle pin Ø (mm)
5 mm

Shackle pin Ø (in)
3/16 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

Breaking load (kg)
340 kg

Breaking load (lb)
750 lb

Footnote
Maximum working loads and breaking loads for blocks based on cam strengths.