The Brink's 50mm Laminated Steel Padlock is constructed for heavy-duty security. The padlock features a chrome-plated Boron steel shackle for increased cut and pry resistance. It also contains a four brass pin cylinder for optimal pick and pry resistance and a dual lever locking mechanism for maximum security. "A Trusted Name in Security since 1859". Includes two (2) keys and (2) laminated steel padlock 1-1/2" shackle 9,300 lbs. cut resistant 4,000 lbs. pry resistant Enhanced with a form-fitted plastic bumper to reduce scratching and marring Keyed alike Uses M1 key blank