30 mm Ball Bearing Block - Single, Through-Deck lead Endless Furling Line Safe working Load: 180 kg

Safe working Load: 180 kg

The Seldén BBB20 Double Stand Up block is a 20mm ball bearing block suitable for control lines on dinghies and keelboats

Ball cage to reduce ball-to-ball friction and weight

This way a retrofit upgrade to new tracks can be made without drilling new holes in deck as the fasteners are located according to the existing bolt holes

30 mm hard anodized standard track for M6 screws

30 mm Ball Bearing Block - Single, Through-Deck lead Endless Furling Line Safe working Load: 180 kgThe Seldn BBB30 Single TD block is a 30mm ball bearing block designed for leading a line through a coaming or deck. Made with stainless steel ball bearings and glass fiber reinforced polyamide, it is lightweight yet strong. Mounted with 2 M5 screws. Acetal bearing cage to prevent ball to ball friction and to reduce weight. BlockType: td,single SubType: td single Breaking Load: 400 kg Safe working Load: 200 kg System: BBB30 Max line size: 8 mm