WS75S Stronghold Container Block Lock 80mm - Squire WS75S, The Squire WS75S Stronghold Container Block Lock is a high security container lock with tamper proof technology, purpose designed for extreme resistance against the threat of a sustained attack. It has a 80mm solid hardened steel lock body with a electrophoretic finish for excellent anti-corrosion resistance, even in challenging weather conditions. The 12mm diameter hardened boron alloy steel shackle rotates for extra anti-saw protection and ultimate security performance. Easy to operate, the rekeyable 6 pin, anti-bump, tumbler locking mechanism features anti-pick technology and offers over 260,000 key variations. Specification Body width: 80mm.Body thickness: 25mm.Shackle diameter: 12mm.Vertical shackle clearance: 14mm.Horizontal shackle clearance: 27mm.Overall height: 65mm.Shackle material: Boron steel.Mechanism: 6 pin tumbler.Body material: Solid hardened steel.Security rating: CEN grade 4. CRIMESTOPPERS endorsed.Squir