- Low friction, 2-stage ball bearing system
- Cheek cut-outs for easy bearing maintenance
- Lockable swivelling head post
- High strength forged shackle
- Mainsheet on boats to 11 m (36 ft) and various control line applications on larger yachts
- Carbon black Acetal ball bearings
- U.V. stabilised Acetal sheaves
- Grade 316 stainless steel forged shackle and bearing linner
Part Number: RF70300
This Ball Bearing 75 mm Blocks can be disassembled for servicing or customisation.
Head can be locked at 0° or 90° by engaging the grub screw in either the 0 or 90 degree position.