CONTROL BLOCKS
Ideal for use with hand-held loads, Lewmar’s Control Blocks feature lightweight, performance loadbearing 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.
Applications
Ball bearing blocks are typically used for medium and dynamic loads in:
Control line applications
Mainsheets for dinghies and keelboats
Spinnaker sheets, barber haulers
Genoa sheets
Dinghy applications

Ideal for use with hand-held loads, Lewmar’s Control Blocks feature lightweight, performance loadbearing 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.