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HARKEN

57mm Carbo Ratchamatic Blocks

57mm Carbo Ratchamatic Block, Double, 750lb. SWL, 7.2oz.

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Description WM Model# MFG Part# Price Availability QTY
57mm Carbo Ratchamatic Block, Flip-Flop, 500lb. SWL, 5.5oz. 9485723 2144 Only $147.26 USD In Stock
57mm Carbo Ratchamatic Block, Flip-Flop with Cam, 300lb. SWL, 12.0oz. 9485731 2145 Only $205.28 USD In Stock
57mm Carbo Ratchamatic Block, 500lb. SWL, 3.7oz. 2640043 2625 Only $73.23 USD Hot Seller. Temporarily out-of-stock. Order Now!
57mm Carbo Ratchamatic Block with Becket, 500lb. SWL, 4.0oz. 2640142 2626 Only $79.73 USD In Stock
57mm Carbo Ratchamatic Block with Cam, 300lb. SWL, 9.4oz. 6580369 2627 Only $134.90 USD In Stock
57mm Carbo Ratchamatic Block with Becket & Cam, 600lb. SWL, 9.7oz. 3771250 2628 Only $141.70 USD In Stock
57mm Carbo Ratchamatic Block, Triple with Cam, 1,500lb. SWL, 14.9oz. 2640175 2629 Only $209.14 USD In Stock
57mm Carbo Ratchamatic Block, Cheek, 500lb. SWL, 3.1oz. 3732500 2633 Only $75.18 USD In Stock
57mm Carbo Ratchamatic Block, Double, 750lb. SWL, 7.2oz. 10616449 2634 Only $195.84 USD In Stock
 

Over of 57mm Carbo Ratchamatic Block, Double, 750lb. SWL, 7.2oz.  

Overview of 57mm Carbo Ratchamatic Block, Double, 750lb. SWL, 7.2oz..

Control loaded lines with ease

The 57mm and 75mm Carbo Ratchamatic blocks are adjustable for use in many applications and weather conditions. This 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. Great for asymmetrical spinnakers when you need tough holding power and a quick release.

  • Sheave: Hardkote anodized eight-sided aluminum
  • Sheave Size: 1-9/16" (40mm)
  • Ball Bearings: Engineered plastic in fitted ball races
  • Line Diameter: 3/8"
  • Cheek Material/Finish: Long-glass reinforced engineered nylon
  • Shackle/Strap Type: Stainless swivel shackle
Top Sellers
29mm Carbo Clew Block Assembly from HARKEN
57mm Black Magic AirBlock, High-Load Strap Head with Becket, 2,500lb. SWL, 3.6oz. from HARKEN
Large Dinghy Snatch Block, 9/16" Line Dia., 40mm Sheave Dia., 1300 SWL from HOLT ALLEN
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57mm Carbo Ratchamatic Block, Double, 750lb. SWL, 7.2oz.
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57mm Carbo Ratchamatic Block, Double, 750lb. SWL, 7.2oz.
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Product offering and prices listed on this website (www.westmarine.com) are limited to Internet and phone orders (1-800-BOATING). Prices on periodic web-only specials apply only to Internet orders. Product offering and/or prices may vary at West Marine retail stores. ©2009 West Marine | All Rights Reservedpics12