Mechanical Knob Cylindrical Lockset Function Passage Lockset Grade 3 BAO Ball Style Satin Nickel Lockset Finish Keyway Type None Key Type Not Keyed Standards ANSI ADA Compliant No Lockset Fire Rating 3 hr Backset 2-3/8 in or 2-3/4 in Ligature Resistant No Item Knob Lockset Knob Material Steel Location Type Residential Lockset Performance Strength Light Duty Required Door Thickness 1-3/8 in and 1-3/4 in Series BAO Strike Dim. 2-1/4 in x 1-3/4 in