The Kramp 6540 is a robust 40mm brass padlock, identified as an Abus 65/40 model. It features a solid brass body and a hardened steel shackle for enhanced security and resistance against cutting. Designed with a precision pin tumbler cylinder and internal components made from non-corrosive materials, it offers reliable protection against corrosion. The 40mm model is double bolted, providing additional resistance against pulling and twisting attacks. With a 6.5mm shackle diameter, 22mm vertical clearance, and 21.5mm horizontal clearance, this padlock is suitable for securing gates, sheds, and various equipment.