57mm Carbo Ratchamatic Single Block
Model #
2640043
Mfg #
2625
$138.99
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Ease that sheet smoothly out in the lightest air, and get an automatic ratchet block when it's breeze on.
Shifting between ratchet and light-air modes is seamless. Harken 57mm Carbo Ratchamatic Single Block rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. The 57mm load-sensing Carbo Ratchamatic® is adjustable for many applications and line loading conditions. With 180 degree wrap, you get a 10:1 holding power. Commonly 57mm blocks are for jibsheets and spinnakers on small dinghies.
Key Features
- Eight-facet sheave holds line securely
- Load-sensing ratchet engagement can be adjusted with the included Allen wrench
- Allows a line to be eased instantly with control
- 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: 3.7 oz. (104 g)
- Length: 4 1/16" (103 mm)
Ball Bearings
Plastic
Becket
No Becket
Diameter
3/8 Inch or 10 mm
Direction
Any
Integral Cleat
No Integral Cleat
Length
6 7/8 Inches
Mount Type
Swivel Shackle
Ratchet
Ratcheting
Safe Working Load
500 Pounds
Type
Single
Weight
3.7 Ounces
Sheave Diameter
57 mm
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