Ronstan Utility Block, Series 25 & 30 Narrow - Single, Becket, Tube Rivet Head ronstan ball bearing series 40 - single becket universal head secured with the titanium dog

secured with the titanium dog bone but easily opened when necessary to detach the block

1/4" Keyway with 3/8 Bolt

325mm Diameter Black Thermo Plastic Wheel

In/Out Thread

OMC  3860566

Ronstan Utility Block, Series 25 & 30 Narrow - Single, Becket, Tube Rivet Head ronstan ball bearing series 40 - single becket universal head secured with the titanium dogStainless 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