Ronstan Single Upright Lead BlockSheave Ø - 3/4 in.
The external tabs can be formed to fit the spar profile before fastening
Max. Rope Ø - 5/16 in.
Max. Cable Ø - in
Fastener Ø - 3/16 in.
M.W.L. - 550 lb.
B. L. - 1100 lb.
Weight - 0.7 oz.
Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers.
When mounted in an inverted position, are frequently used as upright leads.
Typically used in dinghy spars for control lines such as outhauls.
U.V. stabilized Acetal sheave
Grade 316 stainless steel load housing