Control Block Single Swivel Head

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.

• 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