This 0503 code is for two replacement keys for US General tool chests. This is Version 2 is for these specific models only- 64031, 64061, 64720, 64721, 56429, 64721, 64030. If your model number is not listed or this does not fit, order Version 1 instead. ORDER THE EXACT CODE ON THE FACE OF YOUR LOCK. Key will be precut and ready to work in the lock.