Henry Squire Solid Hardened Steel Padlock combines compact design with market leading product performance in the 50mm version, while the 65mm are tested to the highest CEN grades 5 & 6. All models are designed to resist the harshest of attack, these locks function reliably in the worst weather conditions. Hardened Boron alloy steel shackles. Re-keyable 6-pin tumbler in both 50mm & 65mm versions giving over 250,000 key differs.  The 50mm is version also available with a 5-pin tumbler.  Available open and closed shackle. Keyed alike and masterkeyed available to order. CEN rated Now available in customer focused packaging: ‘@Work @Home @Leisure’ CRIMESTOPPERS supportedThe Henry Squire SS50S Stronghold Solid Steel Padlock 50mm has a 6 pin tumbler and offers upto 260,000 different key variations. It has a secuirty rating of CEN 4. Specification Body Width: 50.0mm.Body Thickness: 26.0mm.Shackle Diameter: 10.0mm.Vertical Shackle Clearance: 16.0mm.Horizontal Shackle Clearance: 22.0mm.