Ronstan RF51510 50mm Fiddle Block with Becket | Series 50 Sailing PulleyThe Ronstan RF51510 is a high performance 50mm fiddle block with becket, designed for purchase systems where smooth operation, secure line termination, and durability are essential. Part of the trusted Ronstan Series 50, this block is ideal for vangs, outhauls, cunninghams, and trimming systems on dinghies, keelboats, and small yachts. Featuring a UV stable acetal sheave, 316 stainless steel cheeks, and an integrated becket, the RF51510 is built to

Max pull capacity: 260 kg — ideal for small boats and trailers

The International Primocon Primer (1L) is a quick-drying

and efficient pulley for everyday sailing applications

marine-grade hose with factory-fitted quick-connect Yamaha-style fittings and an integrated primer bulb for fast

Model: RF20202

Liferafts & abandon-ship safety packs

Buoyancy: 50N minimum (adult sizes)

Use: Offshore

The compact

Engineered for New Zealand boating conditions

Track mode

Compatible with Notices to Mariners updates (always check corrections)