Ronstan Utility Block, Series 30 - Single, Loop Head ronstan ball bearing series 40 - fiddle universal head 4 Dim (e) (mm):33

4   Dim (e) (mm):33

The heavy-duty stainless steel mounting collar securely clamps onto poles or rails up to 51mm (2”) in diameter

4165002 - 1/2" UNC Dim (a) (mm):12

cobalt blue & emerald green

Skegs are generally determined by three factors

Ronstan Utility Block, Series 30 - Single, Loop Head ronstan ball bearing series 40 - fiddle universal head 4 Dim (e) (mm):33Stainless 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