Ronstan Utility Block, Series 25 - Single, Swivel Ring Head pulley Size selected is the step

Size selected is the step up percentage required

- Suitable for boats up to 19 foot

Suits hulls up to 25mm thick

Low friction 2-stage ball bearing system provides consistent performance over the full working load range

Supplied with waterproof fuse holder

Ronstan Utility Block, Series 25 - Single, Swivel Ring Head pulley Size selected is the stepStainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rivets in the block heads can be fitted with shackles, which can also be used to add 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