60 mm Roller Bearing Block - Single, Swivel, Becket Control Line This block is also ideal

This block is also ideal for a 2:1 purchase on the main halyard

Lift and down haul can be fitted to the outboard end

thread size 7/16"

Thread size: 3/8"

60 mm Roller Bearing Block - Single, Swivel, Becket Control Line This block is also idealThe RBB60 Single Becket Roller Bearing Block is designed for high load, dynamic applications. Made with top quality materials like machined black anodised aluminium and Torlon roller bearings, it ensures durability and performance under all conditions. The marine grade stainless shaft is swiveling but can be fixed in 0 or 90 position with a set screw. It is hollow and chamfered to reduce weight and the shackle is optimized with a 6 mm body and 8 mm