Harken 57mm Carbo Ratchet Block with red sheave

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The Harken 57mm Ratchamatic® Block Red Sheeve 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

Sheave Ø (mm)57 mm

Length (mm)103 mm

Weight (g)104 g

Shackle pin Ø (mm)5 mm

Maximum line Ø (mm)10 mm

Maximum working load (kg)227 kg

Breaking load (kg)907 kg

Holding power10:1

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