Antal Double Stopper Deck Block Ø125
The Antal Double Stopper Deck Block Ø125 is the largest in the range, designed to manage high-load running rigging on larger cruising and racing yachts. Combining two robust foot blocks with integrated jammers, it allows you to divert and temporarily hold two loaded lines before they reach the winch – freeing up winches quickly and keeping deck layouts clean and efficient.
Fitted with 125mm resin sheaves running on composite fibre bushes and side ball bearings, this block delivers smooth, low-friction performance even under heavy loads. The hard anodised aluminium side plates are corrosion-resistant, with recessed fasteners and rounded edges for safe, long-term use on deck. The fully concealed lever keeps the profile compact and snag-free, while aluminium locking cams with automatic opening springs make operation simple – easing the line is enough to disengage the jammer.
Available in port (L) and starboard (R) versions, the Ø125 ensures correct geometry and reliable operation whichever side of the boat it is installed.
Features:
- Double block configuration with 125mm sheaves
- Integrated jammers for temporary line holding
- Left (port) and right (starboard) versions available
- Resin sheaves with composite bushes and side ball bearings
- Hard anodised aluminium side plates with recessed fasteners
- Maintenance-free, corrosion-resistant construction
- Automatic spring-opening cams
Applications:
- Primarily for high-load sheet leads to cockpit winches
- Equally suitable for halyards, reefing lines, and mast-base systems on larger yachts
- Ideal wherever multiple heavy lines must 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) | 1850 |
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