Ronstan Utility Block, Series 25 & 30 Narrow - Triple, Loop Head shurflo 12 x Nuts 3/8" unc

12 x Nuts 3/8" unc Thin Wall Nut  (Takes 1/2" spanner ) (STAINLESS)

the drive adaptor adds 25mm to measurement

Suits both 3/8" and 1/2" inlet connections

boasting UV-resistant white PVC construction with reinforced blue star pattern heads

Ronstan Utility Block, Series 25 & 30 Narrow - Triple, Loop Head shurflo 12 x Nuts 3/8" uncStainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance 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 steel cheeks