20 mm Ball bearing Block - Single, Lead System 15 glass fiber reinforced composite cheeks

glass fiber reinforced composite cheeks

It features two 40 mm sheaves supported by stainless steel ball bearings for smooth

30 mm x 1500 mm long pin stop track with holes for M6 fasteners

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

20 mm Ball bearing Block - Single, Lead System 15 glass fiber reinforced composite cheeksThe Seldn BBB20 Single Stand Up Block is a 20mm ball bearing block designed for control lines on dinghies and keelboats. Made with stainless steel ball bearings and glass fiber reinforced polyamide, it is lightweight yet strong. The block is easy to install with the included deck mounted bracket and spring. BlockType: standup,single SubType: standup single Breaking Load: 300 kg Safe working Load: 150 kg System: BBB20