37ST/55-RF-BLA-KL3
The padlock is 52 mm wide with a laminated steel body for maximum strength and reliability
and is surrounded by stainless steel and zinc external components for weather resistance. The 8 mm thick and 38 mm long octagonal jumper is made of Tough-Cut™ boron carbide and this 50% harder than hardened steel, which provides maximal resistance to cutting and sawing. This together with a 4-cylinder lock system that prevents lock-picking, and double locking ball bearings makes this into a very strong padlock with very strong anti-burglar abilities, and resistance against break-in attempts and brute force. ...