Push To Exit Bar Heavy Duty Ansi Grade 1 Steel Construction. Allows Exit From Inside While Locked From Outsise. Reversible Non-Handed Design. For Metal or Wood Doors Up To 1-3/4" (44mm) Thick. Separate Deadlocking Latch Prevents The Use of Credit Cards or Similar Means To Open The Latch Bolt. Allen-Type 1/4 Turn Dogging Lock Allows The Exit Device To Be Unlocked For Extended Periods of Time. Invludes All The Needed Hardware For Typical Installations. Fits Doors From 33" (84cm) To 48" (122cm) Wide.