Ronstan RF56510 Orbit 55 Ratchet Fiddle Block – Becket & SwivelThe 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

Heavy-duty foot-actuated marine control switch

Smooth operation for high-speed control systems

Min Holding Load (kg) - (8-10mm) 500

Termination Stud Size: 2 x 10 mm

Frame: Stainless steel straps (14 gauge)

Designed for high torsional efficiency

Its floating waterproof construction makes it a valuable safety device for both recreational and professional marine users

The Maxwell Freedom 500

15mm ball bearing sheave for ultra-low friction performance

lightweight option

Suitable for stainless

At just 176 pages