Ronstan Series 25 & 29 All Purpose Double Narrow Block w/ Tube RivetLightweight durable construction
Sheave Ø - 1 1/8 in.
Max. Rope Ø - 5/16 in.
Max. Cable Ø - in
Pin Ø - in.
M.W.L. - 990 lb.
B. L. - 2860 lb.
Weight - 1.4 oz.
Stainless 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.
Vang, cunningham and trapeze retriever systems on dinghies
Leech line tackles, bunk adjusters etc on larger yachts
U.V. stabilized Acetal sheaves
Grade 316 stainless steel cheeks