Ronstan Series 30 Block linked with Series 20 Block junior-size-chart 4 mm (1/4")

4 mm (1/4")

Can also be used while rigged

Cunninghams

Height - 1 3/8 in

vang and backstay applications on boats a 8m (26 ft)

Ronstan Series 30 Block linked with Series 20 Block junior-size-chart 4 mm (1/4")Product Description Ronstan Series 30 block linked with series 20 Features Sheave 1 3 16 + 3 4 in. Max. Rope 5 16 + 1 4 in. Max. Cable Pin M. W. L. 550 lb B. L. 1210 lb Weight 1. 6 oz. Applications Dinghy Barber haulers Spinnaker pole launching systems Materials Acetal ball bearings UV stabilized Acetal sheave Grade 316 stainless steel load strap and head fitting Impact and UV resistant, fibre reinforced Nylon cheeks