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Lewmar 30mm Double Syncro Control Block

SKU# 29901322BK
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Experience lightweight, durable performance with the Lewmar 30mm Double Syncro Control Block. Equipped with Metal Replacement Technology and stainless steel internals, this Lewmar block offers a unique combination of strength and reduced weight. Its open design allows for easy flushing of sand and salt, making maintenance a breeze. Ideal for hand-held loads, it boasts exceptional load-bearing capacity thanks to Long Fibre Technology.

  • 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