After-sale ServiceGobrico will refund or send replacement for any quality/quantity problem order.Please contact us through the message Material & StyleThe outside door knob is made from high-qualified stainless steel,firm,heavy duty,anti rust.Flat Ball style door knob.Oil Rubbed Bronze door knob For all standard doorUniversal Latch 2-3/8" or 2-3/4",Fit door in thickness 1-3/8 inch to 1-3/4 inch.Easy Replacement Installation with Phillips Screwdriver. The door lock fit for right-handed and left-handed doors Package IncludeAll accessories come with the exterior door knob,including keys,latch,strike plate, screws, instruction Keyed alike entry lockCombo lockset.Ball-style knobs with the same key.Lock/Unlock by the same key.Convenient to take one key for several doors.2 knobs with 6 same keys Knob DimensionKnob diameter-57mm(2-1/4"),Knob rosette diameter-65mm(2-3/5"),Deadbolt diameter-65mm(2-3/5"). The exterior door knob fits for standard doors.