Aluminium 20mm 3-Digit Combination Padlock - Master Lock 7640EURD, Master Lock solid Aluminium Combination Padlock are a tough and dependable security solution. With a modern design and a contemporary brushed metal finish, they are an appealing solution for day-to-day reliability. Each padlock has a solid body and steel shackle. 3-digit or 4-digit resettable combination (offering up to 10,000 possible combinations) options are available. No reset key is needed to change the combination. All Master Lock padlocks are supplied with a Lifetime Warranty against mechanical failure. Suggested uses: Lockers, toolboxes, storage boxes and cellars.The Master Lock 7640EURD has the following specifications:40mm aluminium padlock - 27mm chrome plated steel shackle, 6mm diameter - 4-digit resettable combination (10,000 possible combinations) Master Lock 7640EURD Aluminium 40mm 4-Digit Combination Padlock