Harken Carbo Ratchet Block - 40mm Single / Swivel / 471 Carbo-Cam

Sheave: 40 mm (1 9/16 in)
Length: 86 mm (3 3/8 in)
Weight: 129 g (4.6 oz)
Shackle Pin: 4 mm (5/32 in)
Maximum Line: 6 mm (1/4 in)
Maximum Working Load: 68 kg (150 lb)
Breaking Load: 136 Kg (300 lb)

Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing.

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

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