Ronstan Utility Block, Series 25 & 30 Narrow - Single, Narrow, Tube Rivet outdrive Nylon insert helps prevent nut

Nylon insert helps prevent nut from coming undone

This kit includes the following:

please note:

SE300: 432mm wide

Ronstan Utility Block, Series 25 & 30 Narrow - Single, Narrow, Tube Rivet outdrive Nylon insert helps prevent nutStainless 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