The master lock pro sport combination padlock is a practical and durable leisurelifestyle security solution with large soft touch easy to use dials it has a die cast body with a resettable 4 digit dial wheel offering 10000 possible combinations designed to be tough practical and durable but to look good as well supplied with a lifetime warranty against mechanical failure suggested uses lockers cupboards and sports bags specification size 64mm shackle diameter 7mm hardened steel