Polyester Blend TERRACE DOOR KNOBS by DESIGN HOUSE SINCE 1872- Use this Interior Door Knob on standard 1-3/8 inches & 1-3/4 inches thick doors with a cross bore 2-1/8 inches diameter or edge bore 1-1/16 inches diameter 1 inch x 2-1/4 inches radius corner faceplate PRIVACY DOOR KNOB- Interior Door Knobs Features a locking button on the inside Doorknob. This unit is finished in Satin Nickel, designed for left or right-hand doors, fits the two most common backsets in the U.S. 2-3/4 inches and 2-3/8 inches. BEDROOM DOOR KNOBS WITH LOCK- Push Button Door Lock - No keyed device on the outside - (Adjusts for 2-3/4-inch and 2-3/8-inch backsets) - (ANSI Grade-3 Certified) - (5-Year limited mechanical / 5-Year limited finish warranty). BATHROOM DOOR KNOB WITH LOCK- Design House 6-Way Universal Terrace Door Knob Model # 190694 - Attention Safety - This Interior Door Knob Can Be Opened in the case of an emergency by depressing or turning the locking mechanism on the inside. NICKEL DOOR KNOB- Applicable for Bathroom, Bedroom, Closet, Dummy, Entry, Decorative, Garage, House, Indoor, Interior, Keyless, Kids, Master, Office, Passage, Privacy, Security, Vintage, Covers, Wooden, Residential, Commercial, Wholesale