RF568 Lead BlockLead 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.Features:Removable sheaveThe external tabs can be formed to fit the spar profile before fasteningSpecifications:Sheave: 19mmMax. Rope: 5mmMax Cable: -mmFastener: 5.0mmM.W.L.: 250kgB.L.: 550kgWeight: 20gApplications: Typically used in dinghy spars for control lines such as outhaulsMaterials:U.V. stabilised Acetal sheaveGrade 316 stainless steel load housing