Indoor padlock is best used as a school and gym locker lock, providing protection and security against theft 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 1/4" (6mm) diameter shackle with 1" (25mm) ) in length, 3/4" (19 mm) in width 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 lock can be opened with one hand without seeking ease of use. Troubleshooting 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 the violation of 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 harder to undo Packing Quantity: 1 pieces