Schlage Entry Knob Lockset, Single Cylinder, Ball, Series: Orbit F80, Contractor, Suitable For Use With: 1-3/8 - 1-3/4 in Door Thickness, Keyed Different Key, 2 Keys, C Keyway, 2-3/8 - 2-3/4 in Backset, 2-1/4 X 1-5/8 in, 2-1/8 in Crossbore, 5 Pins, Grade: 2, Satin Chrome, Includes: Screw, ANSI A156.5, 2-1/8 in Knob Diameter, 7/8 in Edge Bore
Heavy-duty cylindrical knobsets; designed for use in high traffic areas such as office building, schools, churches, restaurants, retail stores and warehouses; complies with ANSI A156.2, Series 4000, Grade 2 (400,000) cycles, UL listed for 3 hour fire door. Door range: 1-3/8" to 1-3/4". Backset: 2-3/4" standard. Commercial and Residential. Indoor and Outdoor. Fits standard 161 door prep, Schlage C keyway, keyed different; includes 2 nickel silver keys.