Ronstan RF571 – 25mm Series 25 Utility Block with Loop HeadThe Ronstan RF571 Series 25 Utility Block is a lightweight, durable, and economical solution for various sailing applications. Featuring a 25mm sheave, stainless steel cheeks, and UV stabilised acetal sheaves, it ensures long service life with virtually no maintenance required. Ideal for vang, cunningham, and trapeze retriever systems on dinghies, as well as leech line tackles and bunk adjusters on larger yachts. The loop head design allows for easy

Keep your onboard systems organised and protected — available now at Barton Marine NZ

Long-lasting coastal durability

Perfect for competitive sailors looking to optimise line handling and control on lightweight craft

Shaft length extra 35mm either end

beach trips

Genuine Fynspray WS67W Ultra Pantry Pump

secure install and removal

Trusted by racing teams and cruising sailors worldwide

quick release Compatibility Teleflex

Includes label sheet for clear circuit identification

3 m wide) is a non-slip matting designed to provide grip on surfaces in wet or high-traffic table tops

Its simple design ensures quick and easy rope holding