Yacht Blocks – Max Dia Line 10mm – Sheave Dia 45mmA strong, lightweight range of blocks suitable for use on dinghies, dayboats, and cruising yachts, ideal for mainsheet, vang tackles, lead blocks, or wherever a powerful and compact purchase tackle is required.SpecificationsDimensions: Block 45mm x 13mmMax rope diameter: 10mmBreak load: SWL 385Kg (848 lbs)Break load: 770Kg (1697 lbs)