The indoor padlock is best used as a school locker lock and gym lock, providing theft protection and security Set your own directional combination lock for quick and easy combination recall Faster combination entry than a standard combination lock using up, down, left, or right directional movements 2-1/8 in. (54 mm) wide lock body; 1/4" (6mm) diameter shackle with 1" (25mm) length, 3/4" (19mm) width Set your own directional combination Set your own directional combination lock for quick and easy recall of the combination. The combination can be reset to any number of moves in any sequence. The lock can be opened with one hand without seeking ease of use. Troubleshooting Help Sometimes step 3 of the instructions is overlooked. Try entering your old and new combinations in a long series of moves. Enhanced security wedging is defined as breaching a lock by inserting a foreign object into the locking mechanism. Master Lock padlocks feature specially designed technology to protect the latch assembly so there is no target for the wedge tool to strike, making the lock more difficult to undo. Packing Quantity: 1pcs