3/8" (9mm) Ronstan Single, ferrule eye head Utility Block

Write a Review


316 Stainless steel cheeks and U.V. stabilised 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.


  • Lightweight durable construction
  • Economical
  • Maintenance free

Used for:

  • Vang, cunningham and trapeze retriever systems on dinghies
  • Leech line tackles, bunk adjusters etc on larger yachts
Reference Imperial Metric
Sheave Ø 1-1/8 in. 29 mm
 Max. Rope Ø  3/8 in. 10 mm
M.W.L. 770 lb. 350 kg
B. L. 1100 lb. 500 kg
Weight 1.4 oz. 40 g
View AllClose

0 Reviews

View AllClose