Series 55 RT Ratchet Orbit Block, Single Becket
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RONSTANSeries 55 RT Ratchet Orbit Block, Single Becket


In stock online.
Only 5 in stock!
Model # 13147624 | Mfg # RF56110UPC # 9316800480210


Series 55 RT Ratchet Orbit Block, Single Becket

Name Value
Becket Becket
Diameter 3/8 Inch or 10 mm
Direction Any
Integral Cleat No Integral Cleat
Mount Type Swivel Shackle
Ratchet Ratcheting
Safe Working Load 550 Pounds
Sheave Diameter 2 5/32 Inches or 55 mm
Type Single
Weight 3 Ounces

Product Overview

Series 55 RT Ratchet Orbit Blocks feature 20:1 holding power and are the only ratchet blocks available that can be set in manual mode or full automatic engagement mode. Essential equipment on racing dinghies and sportboats, when you want the most holding power you can get.

  • Sheave: Carbon-fiber-reinforced, PTFE impregnated engineered nylon
  • Ball Bearings: High-compression-strength carbon black Acetal; Stage 2 Bearing: Glass-fiber-reinforced, MoS2 impregnated engineered nylon
  • Cheek Material/Finish: Toughened glass-fiber-reinforced nylon
  • Shackle/Strap Type: UV-stabilized, multi-strand Dyneema® rope link


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