Ronstan Utility Block, Series 25 & 30 Narrow - Single, Becket, Tube Rivet Head ronstan ball bearing series 40 - single becket universal head Thermo Control Unit to suit

Thermo Control Unit to suit Holden 253-308 that is timing case driven ie: Dog Clutch

325mm Diameter Black Thermo Plastic Wheel

Suits 22mm hex drive

1/4" Keyway with 3/8 Bolt

Ronstan Utility Block, Series 25 & 30 Narrow - Single, Becket, Tube Rivet Head ronstan ball bearing series 40 - single becket universal head Thermo Control Unit to suitStainless 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