Ronstan Utility Block, Series 25 & 30 Narrow - Single, Narrow, Tube Rivet outdrive please note:

please note:

the sheet runs out smoothly and freely sas soon as the ratchet mechanism disengages

Cast Aluminium Clamps

Nylon insert helps prevent nut from coming undone

Specially engineered crescent shaped planing surface funnels water flow to add thrust

Ronstan Utility Block, Series 25 & 30 Narrow - Single, Narrow, Tube Rivet outdrive please note:Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rivets accept fixing screws, shackles or can be used as a becket for extra purchase.. Features: Lightweight durable construction Economical Maintenance free 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