Antal Stopper Deck Block Ø100
The Antal Stopper Deck Block Ø100 is a versatile solution for medium-to-large yachts, combining a single 100 mm foot block with an integrated jammer. It enables a loaded line to be diverted at deck level and temporarily held before reaching the winch, freeing up winches quickly and keeping deck layouts efficient.
The 100 mm resin sheave runs on composite fibre bushes and side ball bearings, providing smooth, low-friction performance. Hard anodised aluminium side plates deliver durability and corrosion resistance, with recessed fasteners and rounded edges for a safe, snag-free deck profile. The concealed lever design and automatic spring-opening cam make operation simple—relaxing the line is enough to open the jammer.
Available in port (L) and starboard (R) versions for correct alignment on either side of the boat.
Applications:
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Ideal for sheet leads to cockpit winches on medium-to-large yachts
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Also suited for halyards, reefing lines, and mast-base line handling
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Versatile wherever a single line must be diverted and briefly secured
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