Brass covered laminated steel body for higher strength and resistance to the elements.| Tough cut boron carbide shackle is 50% harder than hardened steel.| The patented octagonal shackle is harder to grip by bolt cutters.| Increased shackle clearance for a broad range of applications.| Professional grade ball bearing locking mechanism provides maximum pull and pry resistance.| 4 keys included.| Master Lock uses the toughest boron alloy material and cutting edge technology, registering over 40 patents, to create Excell.| A truly high security padlock that is 50% stronger than a standard padlock.| The laminated steel covered padlocks have a weather resistant brass cover, to protect the lock even in extremely bad weather conditions.

Brass covered laminated steel body for higher strength and resistance to the elements.| Tough cut boron carbide shackle is 50% harder than hardened steel.| The patented octagonal shackle is harder to grip by bolt cutters.| Increased shackle clearance for a broad range of applications.