Tell L1070 Grade 1 Classroom Lever Lock

Tell L1070 Grade 1 Classroom Lever Lock Comes standard with a Schlage SC1 keyway Ideal for classroom doors as well as any door you would like to always stay locked or unlocked with the turn of the key on the lockable side of the door.   STANDARD FEATURES Performance: Complies with ANSI A156.2 - 2003, Series 4000, Grade 1, 800,000 cycles, UL/ULC listed for 3-hour fire door Chassis: Cylindrical, steel - coated with zinc dichromate (corrosion resistance), freewheeling clutch (added security from hammer attacks), independent spring cages Lever: Non-handed, solid cast Latch: 1-1/8" x 2-1/4", square corner faceplate, 1" housing diameter (stainless steel), 1/2" throw Rose: 3-1/2" diameter Backset: 2-3/4" Strike: Square corner 1-1/4" x 4-7/8" ANSI ASA Strike Door Range: 1-3/8" to 2" Door Preparation: 2-1/8" diameter for lever, 1" diameter for latch bolt. Fits standard 161 door prep with through-bolting through the door. Warranty: Limited Lifetime  Strike: T Strike (1-1/8" x 2-3/4"), and F Stri