30 mm Ball Bearing Block - Double Soft Attachment Optimist It is ideal for guiding

It is ideal for guiding lines on deck and is easy to install with two M4 screws

The BBB30 Double Becket Block is a 30mm ball bearing block with a stainless attachment eye

Fasteners: M4

Mounting: 2xM4

It can accommodate a low friction ring or 'Tie-On' block

30 mm Ball Bearing Block - Double Soft Attachment Optimist It is ideal for guidingThe BBB30 Double Block is a 30mm ball bearing block with a stainless attachment eye. The block features stainless steel ball bearings for strength and smooth rotation and glass fiber reinforced polyamide sheaves and cheeks. Acetal bearing cage to prevent ball to ball friction and to reduce weight. Ideal for moderate and dynamic loads with minimal friction. Safe working Load: 400 kg Breaking Load: 800 kg Max line size: 8 mm