New Barton Block Range Series 2: 35 mm Blocks   A strong, lightweight range of blocks for use on dinghies and dayboats or as lead blocks on larger craft. A comprehensive range of multiple sheave options, together with fiddles and cam cleat blocks, allows powerful, lightweight tackles to be achieved. Sheave size: 35mm x 12mm (1 3/8 x 15/32")Max rope diameter: 8mm (5/16") SWL: 370kg (815lbs)Break load: 740Kg (1630 lbs) Length: 80mmWeight: 48g