Squire SS65CS Stronghold Solid Steel Padlock 65mm Closed Shackle CEN6The 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 and 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 and 65mm versions giving over 250,000 key differs. The 50mm is version