57mm Carbo Ratchamatic Single Block with Becket
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Harken 57mm Carbo Ratchamatic Single Block with Becket allows jib sheets to run out freely during mark roundings.
Carbo Ratchets allow sailors to hand-hold loaded lines and offer balance between holding power and controlled easing. Lightweight Carbo Ratchets are available in 40mm, 57mm and 75mm sizes. All the Carbo Ratchets feature a recessed On-Off switch that is easily operated from either side. The 40mm cam-arm versions work in ratchet mode only. Commonly 57mm blocks are for jibsheets and spinnakers on small dinghies.
The 40mm, 57mm and 75mm Carbo Ratchamatic® is adjustable for many applications and weather conditions. The load-sensing ratchet block rolls freely in both directions under low loads, then engages the ratchet automatically as loads increase. With 180 degree wrap, you get a 10:1 holding power.
Key Features
- Eight-facet sheave holds line securely
- Ratchet blocks are hand and crew savers
- Allows a line to be eased instantly with control
- On/Off switch allows the ratchet to be turned off in light air
- Hardkote-anodized aluminum sheaves
- Stainless steel swivel shackle
- Sheave Diameter: 2 1/4" (57 mm)
- Max. Line Diameter: 3/8" (10 mm)
- Max. Working Load (MWL): 500 lb. (227 kg)
- Breaking Load: 2000 lb. (907 kg)
- Weight: 4 oz. (113 g)
- Length: 4 15/16" (125 mm)
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