The Master Lock No. 1520EURDD with a customizable combination lock features a durable and robust 64 mm wide metal housing. It is ideal for indoor use to secure bags, luggage, lockers, storage units, and more. The shackle has a diameter of 7 mm, a length of 25 mm, and is made of hardened steel with high cut resistance. The combination of the 4 dials with soft-touch dials and 2 grip points provides better slip resistance and keyless convenience. The lifetime limited warranty gives you the assurance of a brand you can trust.