Hardware

Synchro Footblock with Jammer

Lewmar’s Synchro Footblocks are built for durability, precision, and ease of use. Featuring tough alloy cheeks, twin fixings with isolator inserts, and a moulded base plate, they’re designed to prevent sealant ingress into the sheave and ensure a secure, long-lasting installation.

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Lewmar’s Synchro Footblocks are built for durability, precision, and ease of use. Featuring tough alloy cheeks, twin fixings with isolator inserts, and a moulded base plate, they’re designed to prevent sealant ingress into the sheave and ensure a secure, long-lasting installation.

The jamming footblock variant is intended for light hand loads only and incorporates a clever two-step jammer action that keeps the lever close to the block’s side, maintaining a compact profile and reliable grip.

  • Standard and Jamming Options â€“ Both can be double-stacked for versatile rigging setups.
  • Optimised Jammer Shape â€“ Keeps the line centred on the sheave for consistent performance.
  • Robust Alloy Cheeks â€“ Provide strength and resistance to wear.
  • Synchro Sheave Load Ratings â€“ Match those of equivalent-sized blocks for seamless integration.
  • Twin Fixings with Inserts â€“ Ensure secure mounting and reduce stress on deck fittings.
  • Wide Head Design â€“ Offers a stable base that prevents the block from rolling on deck.
  • Moulded Base Plate – Includes a recessed area to hold sealant around fixings and screws, protecting the bearing and sheave from ingress.
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