Master Lock 1/2-in and 5/8-in Swivel Head Receiver Lock w/SS Adj Coupler Latch Lock in the Trailer Parts & Accessories department at Lowes.com
Master Lock Part # 5KA A389 - Master Lock #5 2 In. Laminated Steel Padlock, Keyed Alike With Keyway A389 - Padlocks - Home Depot Pro
Master Lock 1-5/16 in. (35mm) Wide Set Your Own Numeric Combination Padlock TSA-Accepted Luggage Lock with Extended Reach Shackle-4696DHC - The Home Depot