Durable padlock No. 7640EURD from Master Lock with a customizable number combination and a 40 mm wide aluminum housing. The shackle has a diameter of 6 mm, a length of 26 mm, and is made of chrome-plated steel, making it difficult to cut or saw through. The 4-digit combination provides security and keyless convenience. The limited lifetime warranty gives you the assurance of a brand you can trust.