MUL-T-LOCK #8 C-Series Padlock (5-16" Shackle) Security Chain is for the locking bar

is for the locking bar

such as Mul-T-Lock’s IntelleQt

If that weren't enough

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

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 is for the locking bar5 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