Antal Stopper Deck Block Ø125
The Antal Stopper Deck Block Ø125 is the heavy-duty choice for managing high-load running rigging on larger yachts. Combining a single 125 mm foot block with an integrated jammer, it allows a loaded line to be diverted and temporarily held before it reaches the winch, saving space and keeping decks clear.
The 125 mm resin sheave runs on composite fibre bushes with side ball bearings for smooth, low-friction operation under extreme loads. Hard anodised aluminium side plates ensure strength and corrosion resistance, with recessed fasteners and rounded edges for safety and durability. The fully concealed lever keeps the profile low and snag-free, while the aluminium locking cam is fitted with an automatic opening spring—simply easing the line disengages the jammer.
Available in port (L) and starboard (R) versions, the Ø125 ensures proper geometry and intuitive handling on either side of the deck.
Applications:
- Primarily for high-load sheet leads on large yachts
- Suitable for halyards, reefing lines, and mast-base systems
- Any situation where a single heavy line needs to be diverted and held temporarily
Specifications
| Mount* | Port side mount or Starboard side mount |
| Recommended line - Max Ø (mm) | 18 |
| Sheave Ø (mm) | 125 |
| Sideplate material | Aluminum |
| Sheave material | Plastic |
| SWL (kg) | 3500 |
| Weight (g) | 1100 |
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