Ronstan Utility Block, Series 30 - Single, Swivel Shackle Head 18000k 5/8” UNF thread

5/8” UNF thread

2 metres of galvanised chain & 2 x D shackles

Can be used with or without foam insert (included)

The Ryco replacement filter cartridge is suitable where petrol or pre-mixed petrol is used

High static and dynamic load capacity

Ronstan Utility Block, Series 30 - Single, Swivel Shackle Head 18000k 5/8” UNF threadStainless 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