Low friction ring for 6mm line, bore dia 12mm, overall dia 23mm, weight 3.1gms and safe working load 1350kgs, the PTFE coating seals each unit creating an extremely low friction surface. Friction is only increased by 15% compared to a plain bearing block. Up to 250% stronger, constructed from HE30 marine grade aluminium and anodised to 40 microns. Up to a 90% reduction in weight SKU: R8330