Mechanical Pushbutton Combination Lock, Latch Length 1/2 Inch, Hand Right, Finish Antique Brass, Includes Lever and Key Override, For 1 3/8 to 2 1/4 Inches Thick Wood/Metal Door, Backset Size 2 3/4 Inches, Width 3 1/8 Inches, Outside Height 7 3/8 Inches, Inside Height 9 Inches, Depth 3 13/16 Inches, Latch Front Size 1 1/8 x 2 1/4 Inches, IC Core Not Included Simplex Mechanical Access Control LocksProvide an alternative to traditional keyed locksets. Classroom/storeroom function, no code required for egress. Include ASA and standard strike. Require no batteries.1 user code For 1-3/8"to 2-1/4"-thick doors; 2-3/4" backset 3-hr. UL Fire RatedProgrammable Locks, Push-ButtonMeasure 9"L (inside) x 3-1/8"W x 3-3/16"D. Latch length is 1/2". Retrofit existing ASA 161 door preps.L1000 Series is ADA compliant