80 mm Plain Bearing Block - Triple, Swivel Mast Swivel J-max: 4700 mm

J-max: 4700 mm

M-MIN: 103 mm

The RBB60 Cheek Block with M8 mount is a high-load roller bearing block designed for fixed installations

Connected to the side of the mast it keeps the foreguy/windward guy away from the  stanchions and cap shrouds and also makes for a more efficient angle of the guy

80 mm Plain Bearing Block - Triple, Swivel Mast Swivel J-max: 4700 mmThe 80 mm Plain Bearing Block Triple is designed for high strength and performance on larger boats. It features glass fibre reinforced sheaves with polymer bushings, glass fiber reinforced sides, stainless steel straps and is ideal as top block in a main sheet tackle. The shackle comes with 8 mm body and 10 mm pin to optimize strength and weight saving. Sliding swivel locking mechanism to select position of the shackle, 0, 90 or swivelling. Safe