Nickelworld Hardware specialize in a variety of door handles and knobs, cabinet pulls, kitchen cupboard handles, door hinges, cabinet hinges, drawer slides etc. in satin nickel finish. If you are not completely satisfied with your purchase, simply let us know and we will offer you a appropriate solution. Knobonly’s Door Knob Function: Entry: Keyed with 3 Keys, locked inside with turn-button, used for exterior door Entry Keyed Alike: Keyed with 3 Keys(If you buy multi pack, the keys of them are all same), locked inside with turn-button, used for exterior door Privacy: Keyless, locked inside with turn-button, used for bed/bathroom Passage: Keyless and unlocking, used for hallway or closet Half Dummy: Single side handle, to pull or push Knobs’ Basic INFO: ★Finish: Satin Nickel ★Shape: Round Ball ★Material: Stainless Steel ★Size Info: Adjustable Backset - 2-3/8 inch or 2-3/4 inch (60mm or 70mm); Fits doors thicknes:1-3/8 inch to 1-3/4 inch (35mm to 45mm) ★What’s in package: Installation Instructions, door knob, strike plates, latches with unremovable plates, (keys)and screws. Door Lock Features: SIMPLE DESIGH RUST PROOF for LONG TIME QUALITY GUARANTEE EASY TO INSTALL