Barton Size 0 Ball Bearing Block Single Swivel & Becket (without shackle)A strong, lightweight block ideal for use on dinghies and dayboats or as lead blocks on larger craft. Sheave size: 20mm x 8mm (25/32 x 5/16inch) Max rope diameter: 5mm (3/16inch) SWL: 275kg (606lbs) Break load: 550Kg (1210 lbs) Length: 52.8mm Weight: 18g
