1″ throw, high-strength steel alloy deadbolt with hardened steel roller resists sawing and kick-in attacks
Metal shield protects bolt from ice-pick attack through the door
Hardened steel ball-bearings protect mounting bolts from drill attack
Function:
Double Cylinder (Key on Both Sides): Deadbolt thrown or retracted by key on either side
Caution: Double cylinder locks on any door are a life safety hazard in times of emergency and their use is not recommended. Installation should be in accordance with existing codes only.