Wichard Single 45/64" (18mm) Ball Bearing Cheek Block Triple Sheave(45mm) The thought is that the

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Wichard Single 45/64" (18mm) Ball Bearing Cheek Block Triple Sheave(45mm) The thought is that theProduct Description Wichard Single 45 64" (18mm) Ball Bearing Cheek Block Features: Weight: . 3 oz. (10 g) Sheave diameter: 45 64" (18mm) Length: 1 27 64" (36mm) Width: 45 64" (18mm) Thickness: 35 64" (14mm) Working load: 529 Lbs (240 kg) Breaking load: 1100 Lbs (500 kg) Rope Size: 5 32" 1 4" (4mm 6mm) Applications For dinghies and catamarans applications: genoa sheets, boom vang, footmast block, masthead block For larger yachts: barber hauler,