20 mm Ball bearing Block - Double, Becket Double the block is made from

the block is made from machined black anodized aluminium with Torlon® roller bearings for maximum performance under load

Ideal for control lines on dinghies and keelboats

outhaul and halyard

The 50 mm Fiddle Becket Plain Bearing Block is designed for medium-sized boats for numerous applications

It features Acetal sheaves and ball bearings in stainless steel

20 mm Ball bearing Block - Double, Becket Double the block is made fromThe Seldn BBB20 Double Becket block is a 20mm ball bearing block. Made with stainless steel ball bearings and glass fiber reinforced polyamide, it is lightweight yet strong. Use for control lines on dinghies and keelboats. Can be attached with shackle or line. Safe working Load: 300 kg Breaking Load: 600 kg Max line size: 6 mm