Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. This is a removable block with a 180 degree pivoting sheave. Precision moulded acetal sheaves running on stainless steel ball bearings provide high performance & low friction.

• Sheave 20 mm | 3/4"
• Max. Rope 6 mm | 1/4"
• Fastener M4 | 5/32"
• M.W.L. 250 kg | 550 lb
• B. L. 550 kg | 1210 lb
• Weight 30 g | 1.1 oz