Ideal for use with hand-held loads, Lewmar’s Control Blocks feature lightweight, performance load-bearing capacity. MRT (Metal Replacement Technology) and a stainless steel central race and balls provide a weight advantage, while Long Fibre Technology offers exceptional strength and durability. The open design allows sand and salt to be flushed out easily, keeping maintenance simple.
Features:
- Lightweight
- Very High Strength
- Impact Resistant
- Reduced Friction
- Easy Maintenance
- Optimised for hand control
Ball bearing blocks are typically used for medium and dynamic loads in:
- Control line applications
- Mainsail sheets for dinghies and keelboats
- Spinnaker sheets, barber haulers
- Genoa sheets
- Dinghy applications
Size | Working Load Limit | | | Breaking Load | | | Length | | | Weight | | | Shackle Post ∅ | | | Shackle Pin ∅ | |
30mm | 200kg | 480kg | 68mm | 28g | 7.1mm | 4mm | ||||||
40mm | 240kg | 800kg | 80mm | 52g | 8mm | 4mm |