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Binks is your stop for all boating and watersport needs
Binks is your stop for all boating and watersport needs

Ronstan S55 RT Orbit Block,Single Becket Swivel (RF56110)

by Ronstan
Original price $119.24 - Original price $119.24
Original price
$119.24 - $119.24
Current price $119.24
SKU RF56110

Now you can enjoy the flexibility of setting up your ratchet blocks to suit yourself. Ronstan is the only company that offers a ratchet block with both auto and manual engagement modes*. In the auto mode of the ratchet mechanism engages when load is applied, but switches off when it's released.

In manual mode, the ratchet mechanism can be switched on or off as required.

* Selected Series 55 models.

Quite simply, Ronstan Ratchet Orbit Blocks ’?½ have the highest holding power available.Its holding power is up to 21:1, almost double that of our nearest competitior.


  • Automatic and Manual ratchet in one block
  • Up to 20:1 holding power
  • Smooth easing of sheets
  • High performance cleating

Sheave ? 55 mm
Max. Rope ? 10 mm
Max. Cable ? mm
Pin ? mm
M.W.L. 250 kg
B. L. 750 kg
Weight 86 g


  • Sheave: Hard anodised Aluminium
  • Ball Bearings: High compression strength carbon black Aceetal
  • Frame/Cheeks: Toughened, glass fibre reinforced Nylon
  • Rope Link: UV stabilised, multi-strand impregnated SK75 Dyneema©