30 mm Ball Bearing Block - Clew block, Stainless ring Flat Base It features Acetal sheaves and

It features Acetal sheaves and ball bearings in stainless steel

and an integrated 38 mm composite cam cleat for superior line control

30 mm hard anodized standard track for M6 screws

Safe working Load: 5000 kg

polymer sheave

30 mm Ball Bearing Block - Clew block, Stainless ring Flat Base It features Acetal sheaves andThe BBB30 Clew Ring block is a 30mm ball bearing block designed for lower loads on smaller boats. Ideal for 2: 1 jib sheets on keelboats. Made with stainless steel ball bearings and a glass fiber reinforced sheave, it offers high strength and low friction. Acetal bearing cage to prevent ball to ball friction and to reduce weight. Safe working Load: 200 kg Breaking Load: 400 kg Max line size: 8 mm