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Harken
Harken Carbo Ratchamatic Block - 57mm Double

Harken Carbo Ratchamatic Block - 57mm Double

Our Part #: HAR2634 | Mfr. Part #: 2634
$254.70 (was: $321.25)
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Free Shipping for US Continental orders over $99.

Sheave: 57 mm (2 1/4 in)
Length: 116 mm (4 9/16 in)
Weight: 204 g (7.2 oz)
Shackle Pin: 6 mm (1/4 in)
Maximum Line: 10 mm (3/8 in)
Maximum Working Load: 340 kg (750 lb)
Breaking Load: 851 Kg (1875 lb)
Holding Power: 10: 1

The Carbo Ratchamatic® 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. Use the 2634 with a 402 or 403 swivel arm for a versatile two-speed mainsheet system.