Standard Size: Adjustable Backset: 2-3/8 inch to 2-3/4 inch (60mm to 70mm) Fit Door Thickness: 1-3/8 inch to 1-3/4 inch (35mm to 45mm) If you are not completely satisfied with your purchase, simply let us know and we will offer you a appropriate solution. Knobonly Flat Round Door Knobs in Brushed Nickel Finish Product Info: High-quality Material: The satin interior door knob is made of ‎stainless steel which is anti-rust. Satin Nickel Finish makes the door knobs more durable. Durable & Portable Satin Nickel Finish Handle Set: Designed to complement both conventional and modern style doors for commercial and residential knobset applications.Easy Installation: Come with all accessories (The plate is round corner and unremovable) and instruction, easy to install. Stainless Steel: Confirm with ANSI Grade 3, Exceeds 200,000 cycles. Privacy Function For Bedroom/Bathroom Can be locked from inside and unlocked from outside by matched Allen Key. (has a thumb turn on the inside, and Allen Key Hole on the outside)Privacy function will not come with common keys Passage Function for Hallway/Closet Doesn't have lock function on both sides, just for Turning Only. Keyed Entry Function for Interior/Exterior Use Can be locked from inside and unlocked from outside with Matched KEYs. (has a thumb turn on the inside, and Key Hole on the outside) Dummy Function for Closet/Storeroom Doesn't have lock function, just one Single Sided Knob, for Pushing/ Pulling Only. Product Information Product Name: Knobonly Flat Round Door Knobs in Brushed Nickel Finish Finish: Satin NickelShape: Flat RoundMaterial: Stainless SteelSize Info: Adjustable Backset: 2-3/8 inch to 2-3/4 inch (60mm to 70mm); Fit All Doors Thickness: 1-3/8 inch to 1-3/4 inch (35mm to 45mm)What’s in package: Installation Instruction, Door Knobs, Strike Plate, Latch, Unremovable Plate and Mounting Screws. (Privacy Function will come with an Allen Key, and Entry function will come with matched keys) Knobonly Passage Door Knobs Knobonly Entrance Door Knobs Knobonly Dummy Door Knobs Knobonly Privacy Door Knobs Add to Cart Add to Cart Add to Cart Buying Options Customer Reviews 4.8 out of 5 stars 22 4.5 out of 5 stars 36 4.6 out of 5 stars 8 3.7 out of 5 stars 14 Price $15.19$15.19 $14.71$14.71 $9.19$9.19 — no data Finish Satin Nickel Satin Nickel Satin Nickel Satin Nickel Function Passage Entrance Dummy Privacy Round Ball ✓ ✓ ✓ ✓ Material Stainless Steel Stainless Steel Stainless Steel Stainless Steel