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Lewmar Single Control Block - 2 Sizes

Lewmar Single Control Block

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.


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

Specification, Dimensions & Weights

  • See attached images


    • Lewmar Single Control Block 30mm
    • Lewmar Single Control Block 40mm

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