Schlage F40 SIE 625 WKF Wakefield Collection Siena Privacy Knob, Bright Chrome Guaranteed to fit all standard door preps - Depth: 2-3/8-Inch - 2-3/4-Inch - Latch 1-3/8-Inch - 1-3/4-Inch A bed/bath knob is intended for use on interior doors that require a pushbutton lock for greater privacy Inspired designs and lush finishes give you a choice when it comes to making a house your home Quality materials and construction for exceptional security One Tool Installation - installs with just a Phillips screwdriver