Ronstan's Series 30 Ball Bearing Utility Blocks are a range of lightweight blocks with high static and dynamic load capacities and versatile head fittings. They feature a self-lubricating Nylatron® sheave suitable for rope and wire, and stainless steel ball bearings to give high performance and low friction. The 2-stage ball bearing system provides consistent performance over the full load range. They are ideal for primary lead blocks on dinghies and catamarans and control lines on larger yachts.
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Specifications
| Bearing type | - |
| Recommended line - Max Ø (mm) | - |
| Sheave Ø (mm) | - |
| Ratchet | No |
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