MUL-T-LOCK Top-Guard with Rim Cylinder Mul-T-Lock High Security Locks the screen inside the door

the screen inside the door will turn on automatically to show the outside images and will last for 20 seconds before turning itself off

and a drill / ballistic resistant hardplate

Brand: MUL-T-LOCK

•Recessed curvature provides virtually airtight construction preventing smoke damage •Anchor Bolt for bolting safes to the floor on all models except HS-1750E

1/2" thick solid steel door

MUL-T-LOCK Top-Guard with Rim Cylinder Mul-T-Lock High Security Locks the screen inside the doorMUL T LOCK's Top Guard is a reinforced hardened steel face concealed by a decorative coverplate protecting a MUL T LOCK Rim Cylinder. Designed to uphold to the most determined attempts of physical attack the Top Guard takes cylinder security to the next level. It greatly enhances the security of Segal lock and many other brands of rim type locks (jimmyproof deadbolts deadlocks dropbolts slam locks).