Probrico Privacy Door Knobs Handles Brushed Nickel Bed/Bath Ball Knob Pack of 6 Privacy Door Levers Brushed Nickel Finish.65mm Square Rose.Body Material: Zinc Alloy.Fits both right handed and left handed doors. 6pcs locks per package(For 6 doors).Privacy Function,without keys. When locked inside, the lock could be opened outside with coin. Use for bathroom or bedroom door. Solid Latch Length(the distane of Hole Center to the Door Edge): 2-3/8" or 2-3/4"(60mm or 70mm).Fits doors board thickness: 1-3/8" to 1-3/4"(35mm-45mm). Very Easy, only 3 steps to intall.All accessories are included .Guality guaranteed,Confirm with ANSI Grade 3, Exceeds 200,000 cycles. Please notice: The square plate of the latch is unremovable.If you don't need the plate (or if your old plate groove is round) please order removable plate latch here: https://www.amazon.com/dp/B07424VGVF The latch bolt can be locked by thumb turnbutton on the inside knob. An emergency release tool can unlock the door from the outside. This function is ideal for bathroom or bedroom doors where privacy is desired but a keyed cylinder isn&#039;t necessary. Type: Privacy door knob Backset: Adjustable to 2-3/8&#034; or 2-3/4&#034; Door Thickness: 1-3/8&#034; or 1-3/4&#034; Knob Diameter: 2.09&#034;(53mm) Rosette Diameter: 2.56&#034;(65mm) Handing: Left, Right, Reversible Knobs for both sides of the door Latch mechanism Strike plates Mounting screws