The Master Lock Excell Chrome Plated Padlocks delivers unprecedented security in a retail padlock including tough cut patented octagonal boron carbide shackles, which are 50% tougher to cut than hardened steel, dual ball bearing locking mechanisms for maximum pry resistance and a complete range of body types and finishes for the broadest range of applications. These solid body padlocks have a chrome plated finish for weather resilience. The snap on cap covers the key way to prevent dust and grime getting into the cylinder. All Master Lock Excell padlocks are supplied with 4 keys and a Lifetime Warranty against mechanical failure. Suggested uses: gates, sheds, storage units, fences, containers and chainsThe Master Lock M830EURDLH has the following specifications:54mm Excell chrome plated solid steel padlock - 51mm Octagonal boron carbide shackle, 9mm diameter - 5-pin tumbler cylinder - dual ball bearing locking