Mechanical Knob Cylindrical Lockset Function Entrance/Office Lockset Grade 3 Tulip Style Polished Brass Lockset Finish Keyway Type Kwikset KW1 Key Type Alike Standards ANSI ADA Compliant No Lockset Fire Rating Not Rated Backset 2-3/8 in or 2-3/4 in Ligature Resistant No For Use With Interior Doors Includes (2) Keys #12T3657 Item Knob Lockset Key Material Nickel Plated Brass Knob Material Steel Location Type Commercial Lockset Performance Strength Medium Duty Number of Keys 2