Ronstan 55 mm Series 55 Ratchet Orbit Block (RF56130)
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The world's best ratchet block is now even better. The Ronstan 55 mm Series 55 Ratchet Orbit Block with Becket and Cam Cleat (RF56130) has all the holding power of its predecessor, but with superior rope wear performance. It's lighter, and it's the only ratchet block with both manual and full automatic modes. Control switches on both sides of the block remain accessible whether fitted on port or starboard side, and the NC-machined alloy sheave and simple mechanism ensures superb reliability and durability. It is essential equipment on racing dinghies and sports boats, and when you want the ultimate holding power.
- Automatic and Manual ratchet in one block
- Up to 20:1 holding power
- Smooth easing of sheets
- High performance cleating
- Sheave Diameter: 2-5/32"
- Max. Line Size: 3/8"
- Safe Working Load: 550 lbs
- Breaking Load: 1650 lbs
- Weight: 7.2 oz
- Sheave: U.V. stabilized Acetal or anodized aluminum (AW models)
- Frame/Cheeks: Toughened, glass fiber reinforced Nylon
- Ball Bearings: High compression strength carbon black Acetal
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