The indoor padlock is best used as a school locker and gym locker, providing protection and security against theft Set your own directional combination lock for quick and easy combination recall Faster combination entry than ever a standard combination lock using up, down, left or right directional movements 1/4" (6mm) diameter shackle with 1" (25mm) length, 3/4" ( 19mm) wide Set your own directional combination Set your own directional combination lock for quick and easy combination recall. The combination can be reset to any number of moves in any sequence. The padlock 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 chain 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. packaging: 1 piece