Yacht Blocks – Max Dia Line 10mm – Sheave Dia 45mmThe 45mm sheave size 3 block range incorporates modern design with stainless steel frames and the latest advanced materials, using 30% fibre glass-filled nylon and Acetal sheaves to maximise their strength whilst keeping weight to a minimum. Suitable for use as mainsheet, vangs, lead blocks or wherever a powerful and compact purchase system is required on dinghies, dayboats and lightweight cruisers.A 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.SpecificationsBrand: BartonWeight: 131 gDimensions: 104 46 47 mmSize: 3 (45 mm)Block Type: SwivelNumber of Sheaves: DoubleBearing Type: PlainSheave Size: 45 mm 13 mm (1 3/4″ 35/64″)Maximum Rope Diameter: 10 mm (3/8″)Safe Working Load (SWL): 400 kg (881 lbs)Breaking Load: 800 kg (1,763 lbs)Max Rolling Load (Ball Bearing Blocks): 270 kg (595 lbs)