Master Lock (Keyed Alike to #2729) 2-1/2-in Shackle x 1.75-in Width Steel Keyed Padlock in the Padlocks department at Lowes.com
48 PC Piece Set 40MM KEYED Alike PAD Locks Long DEEP Shank Shackle Laminated Padlock Key Alike Commercial Grade Multiple PAD Locks KEYED Alike All The Same Padlocks - Amazon.com