The master lock brass finish combination padlocks are a tough and dependable security solution with a modern design and a solid aluminium body with a steel shackle they are an appealing solution for day to day reliability 3 digit or 4 digit resettable combination options offering up to 10000 possible combinations 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 toolboxes suitcas