Master Lock New 2 keys

It has the markings of "COMMERCIAL MASTER" "PATENTED TOUGH UNDER FIRE HARDENED MASTERLOCKCO 21" "21KALF KEY: 10L473" This is a new padlock that has two keys - both work The loop measures 2" as it is closed Industrial-grade for self-storage units and tool sheds Hardened steel shackle resists prying, cutting and sawing Laminated steel body Indoor/outdoor 2" shackle - Extra long length fits long-handle hasps and larger chains