Master Lock use 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.

Features:

• Brass covered laminated steel body for higher strength and resistance to the elements
• Tough cut boron carbide shackle is 50% harder than hardened steel
• 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