Master Lock Lock with Key, 1-9/16 in. Wide, 2 in. Shackle, 12 Pack (Keyed Alike) 140KALHCCP12 - The Home Depot
Premier Lock 2-5/8 in. Premier Solid Steel Commercial Gate Keyed Padlock with Short Shackle and 18 Keys Total (6-Pack, Keyed Alike) GAP01X-KA-6 - The Home Depot
6 Laminated Padlock | Master Lock
Master Lock - (6) Keyed Alike Stainless Steel Trailer and Multi Purpose Padlocks 40KA-6 - Amazon.com
Padlock, Pro Series 6230LH Keyed Alike
Master Lock Heavy Duty Outdoor 4-Pack 2-1/2-in Shackle x 2-in Width Steel Keyed Padlock in the Padlocks department at Lowes.com