Ronstan Utility Block, Series 25 & 30 Narrow - Single, Tube Rivet ronstan ball bearing series 15 - triple block no shackle Non-slip and water-resistant

Non-slip and water-resistant

Flywheel Pulley & Water Pump Pulley

- Stainless steel fastenings and handles

Automatic locking ratchet action

Made from polyethylene material

Ronstan Utility Block, Series 25 & 30 Narrow - Single, Tube Rivet ronstan ball bearing series 15 - triple block no shackle Non-slip and water-resistantStainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance Features: Lightweight durable construction Economical Maintenance free Hollow rivets accept fixing screws, shackles or can be used as a becket for extra purchase. Applications: Vang, cunningham and trapeze retriever systems on dinghies Leech line tackles, bunk adjusters etc on larger yachts Materials: U. V. stabilised Acetal sheaves Grade 316 stainless