VCA5127 Yale KnobsetKnob Sets Features Lockset5-Pin Tumbler Cylinder3 Nickel Plated Brass KeysCorrosion ResistanceDoor Thickness 35-45mmBackset: 60-70mmNo. of Keys: 3 keys Finishes Polished Brass (US3)Satin Stainless Stell (US32D)Antique Brass (US5)