The No. 443KALK from Master Lock Keyed Alike - order multiple locks to open with the same key or order to match other locks with the Prevents access to vending and utility valve equipment Commercial grade padlock features superior protection from drilling and prying 1-9/16" (40mm) wide laminated steel body for superior strength 3-1/2" (89mm) tall, 3/8" (10mm) removable hardened steel post for extra cut resistance