Ronstan RF56510 Orbit Series 55 Ratchet Fiddle Block with Becket and Swivel Head Ronstan RF56510 Orbit Series 55 Ratchet Fiddle Block with Becket and Swivel Head
Ronstan RF56510 Orbit Series 55 Ratchet Fiddle Block with Becket and Swivel Head

Ronstan

Ronstan RF56510 Orbit 55 Ratchet Fiddle Block – Becket & Swivel

$213.00
Tax included.

The Ronstan RF56510 Orbit Series 55 Ratchet Fiddle Block delivers exceptional performance for high-load sailing applications. Featuring a 55mm main sheave and a 35mm fiddle sheave, this block accommodates rope diameters up to 10mm. Its Generation 2 CNC-machined sheave offers up to 20:1 holding power, with 12 gripping faces that minimize rope wear . The block's dual-mode ratchet system allows for both automatic and manual engagement, providing flexibility for various sailing conditions . Constructed with anodized aluminium sheaves, high-strength carbon black Acetal ball bearings, and a toughened glass fiber reinforced nylon frame, it ensures durability and reliability. The 316 stainless steel swivel head adds versatility, making it ideal for mainsheet and spinnaker systems on dinghies, sportsboats, and small keelboats up to 9m (30ft).

Ronstan RF56510 55mm Orbit Ratchet Single Pulley, Fiddle, Becket, Swivel specifications:

  • Sheave Ø 55 + 35 mm
  • Max. Rope Ø 3/8 mm
  • Pin Ø 5 mm
  • M.W.L. 250 kg
  • B. L. 750 kg
  • Weight 112 g