Morse MHSALKIT1 (116909), 5 piece, Lock Installation Kit contains everything necessary to complete door knob, dead bolt, and/or lock installation. The door template adjusts to fit standard 1-3/8" or 1-3/4" thick doors, as well as locks with backset depths of 2-3/8" or 2-3/4". Using the template ensures proper alignment of latch and spindle holes, easing installation. Kit can be used on wood or metal doors. Kit includes one each of a 1" (177160) & 2-1/8" (177344) bimetal hole saw, M34 (139014) arbor, adaptor nut and adjustable door template.