30 mm Ball Bearing Block - Single, Tie-On RBB80 The block's glass fiber reinforced

The block's glass fiber reinforced cheeks provide high strength

Upper safe working load: 5

The block is designed with a plastic washer acting as a swivel lock

Acetal thrust bearings stabilize the sheave when subjected to side loads

30 mm Ball Bearing Block - Single, Tie-On RBB80 The block's glass fiber reinforcedThe BBB30 Tie On Block is a 30mm ball bearing block that is tied on to a dinghy boom or to any other fixing point. The idea with this block is to save weight and to get a tight but yet articulating fit. The block features stainless steel ball bearings for strength and smooth rotation and glass fiber reinforced polyamide sheave and cheeks. Acetal bearing cage to prevent ball to ball friction and to reduce weight. Safe working Load: 200 kg Breaking