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Lewmar 30mm Single Synchro Control Block

SKU# 29901321BK
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Rigging Shoppe ships to Canada only. ALL prices listed on this website in Canadian dollars.

Shipping within 24 hours if possible. Delivery usually 2 - 5 business days in Canada.

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Experience superior load-bearing capacity with Lewmar 30mm Single Synchro Control Block. With MRT and stainless steel core, these Lewmar blocks combine lightweight and durability. Long Fibre Technology ensures strength, and the open design simplifies maintenance by flushing out sand and salt.

  • 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