The abus 3760mm granit plus solid steel closed shackle disc cylinder padlocks offer the highest protection against manipulation 6 tonne pull resistance the body and 11mm removable shackle are both made from hardened alloy steel with a cataphoretic coating and rustfree components which give 40 years of corrosion protection the closed shackle features an integral shackle guard to protect the shackle from attack with tools all granit padlocks endure a 40 freeze and impact test and are bolt cutter