30 mm Ball Bearing Block - Single, Through-Deck lead Endless Furling Line This block is ideal for

This block is ideal for dynamic use

It features stainless steel ball bearings for high strength under dynamic loads

30 mm hard anodized standard track for M6 screws

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

30 mm Ball Bearing Block - Single, Through-Deck lead Endless Furling Line This block is ideal forThe 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