Master Lock Directional Combination Lock, Set Your Own Directional Lock, Combination Lock for Gym and School Lockers, 1500iD - Combination Padlocks - Amazon.com
Operating the 1500iD Speed Dial Lock
Master Lock 1500ID Speed Dial Set Your Own Combination Padlock Assorted Colors (4 Pack)
How to Open & Reset a Master Lock 1500iD Speed Dial™ Lock - YouTube