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. Secuirty Rating: SS65CS: CEN6, SS65S: CEN5, SS50CS: CEN4, SS50CP5: CEN3, SS50P5: CEN3, and SS50S: CEN4.