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