Stronghold Heavy Duty Open Shackle Padlock | Boron Steel | SS100S

The Stronghold SS100S is a massive, ultra-high-security, open shackle hardened steel padlock that is widely regarded as the world's strongest production padlock. Squire's Stronghold SS100S is the first padlock to ever achieve a level SR4 security rating from the Loss Prevention Certification Board (LPCB), their highest possible rating. Product Features Massive 20mm diameter hardened boron alloy steel shackle 100mm wide solid hardened steel lock body - Weighs approx 4Kg Accredited to LPCB Level SR4 and CEN6 security level approved Dual Keys, two 6-Pin cylinders can be same key cylinders, keyed to differ, keyed-alike or master-keyed Electrophoretic anti-corrosion finish Anti-drill protection Tensile pull test independently verified to 24 tonnes Dual Key operated for high security and/or supervised use Shackle completely detaches from the padlock body - easier to attach through the hasp and staple or a chain