do – both have worked with professional sailing programmes all over the world – from America’s Cup to Maxi

Engineered from splash-resistant fabric

turn a double webbing tether into two single webbing tethers

Heavy duty #10 chunky tooth molded zip

2 strands of 4mm shockcord with plastic balls on each end

Ronstan Series 30 Utility Block, Swivel Shackle and Becket RF567 sheaves do – both have workedSingle, becket, swivel shackle head FEATURES Lightweight durable construction. Economical. Maintenance free. Specifications Product Specifications Type of Block Single Sheave diameter (mm) 30mm B. L. (kg) 500 M. W. L. (kg) 250 Max. Rope diameter (mm) 10 Weight (g) 55 Pin (mm) 5