Certified 1450ºF/50 minute fire protection
Drill stop hard plate with recessed ball bearings • Drill Deflection Bolt Guard •FOIL mechanical back-up re-locking devices • Easy Glide concealed ball bearing hinges• S&G Group II manipulation resistant lock • Durable textured finish • Clutch Drive handle • Carpeted
interior • Limited Lifetime Warranty Quadrafold door frame with deep recessed door • 3/16" thick steel door • 12 gauge steel, Uni-body construction • Up to 4 - 1 1/2" diameter active door locking bolts, strategically placed on sides, top & bottom of door. • Patented rack and pinion locking mechanism • Bolt detent