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SQUIRE SS100 Stronghold Open Shackle Dual Cylinder Padlock


The SQUIRE SS100 Stronghold Open Shackle Dual Cylinder Padlock is purpose-designed for extreme resistance against the threat of a sustained attack. This seriously heavy duty padlock is constructed of a solid hardened steel lock body, which is capable of a tensile pull of over 24 tonnes, and a hardened boron steel shackle. Uniquely, the Stronghold® range features an electrophoretic finish for excellent corrosion resistance and can withstand even the harshest environments.

This 100mm wide padlock is ideal for commercial premises where extra high security is a priority – it is the only padlock ever to achieve the Loss Prevention Certification Board (LPCB) SR4 Standard. The padlock comes complete with 4 keys, with the option of having the dual cylinder same key (all 4 keys suit both cylinders) or keyed to differ (2 keys to suit each cylinder).


  • Solid hardened steel body
  • Electrophoretic finish offering excellent corrosion resistance & salt spray tested for over 200 hours
  • Hardened Boron alloy steel shackle
  • Extremely resistant to picking, drilling, sawing and other forms of attack
  • The Loss Prevention Certification Board SR4 Standard
  • Dual cylinder – same key or keyed to differ options
SKU: SQUIR_0141 Categories: , , ,


  • Body Width: 100mm
  • Weight: 4.5Kg
  • Keyed: Keyed Alike
  • Keys Supplied: 4
  • Mechanism: 6 Pin
  • Pack Quantity: 1
  • Shackle Diameter: 20mm
  • Manufacturer Reference: SS100S