Low friction rings for various rope diameters, 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
| Line Diameter | Bore Diameter | Overall Diameter | Working Load | Weight |
| 3mm | 7mm | 14mm | 350kg | 0.7g |
| 4mm | 10mm | 17mm | 650kg | 1.5g |
| 6mm | 12mm | 23mm | 1350kg | 3.1g |
| 10mm | 18mm | 33mm | 2400kg | 10.2g |












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