MUL-T-LOCK #8 C-Series Padlock (5-16" Shackle) Security Chain It can be driven in

It can be driven in using a rubber mallet

MUL-T-LOCK's Top-Guard is a reinforced hardened steel face concealed by a decorative coverplate protecting a MUL-T-LOCK Rim Cylinder

If that weren't enough

Operation 90˚ turn to lock/unlock

The HS-1200 recessed curvature provides virtually air tight construction preventing smoke damage during a fire as well

MUL-T-LOCK #8 C-Series Padlock (5-16" Shackle) Security Chain It can be driven in5 16" Diameter Hardened Boron Alloy Shackle Hardened Steel Body Drill and Pick Resistant Cylinder Bump Proof Design Mul T Lock 206SP Security Keyway Mul T Lock's Patented Interactive Key Control System Limited Lifetime Mechanical Warranty