Tell CL100197 Light Duty Commercial Tubular Grade 2 Door Passage LeverComplies with ANSI A 156. 2, series 4000, grade 2, 400,000 cycles. UL listed for 3 hour fire door & ANSI A117. 1 american disabilities act. Tubular steel chassis, coated with zinc dichromate corrosion resistance. Lever is non handed & solid cast. Latch, 1 1 8" x 2 1 4", square corner faceplate, 1" housing diameter stainless steel, 1 2" throw. Adjustable backset 2 3 4" or 2 3 8", US26D satin chrome finish. 1 1 8" x 2 3 4" x 3 32" T strike. Use of doors