Baldwin Prestige Alcott Entry Knob featuring SmartKey in Lifetime Polished Brass Baldwin Prestige offers effortless, accessible style and luxury with superior security Classic-round traditional design shown in a polished brass finish Includes 2 keys; Lifetime mechanical and finish warranty Featuring SmartKey Security; re-key the lock yourself in seconds in 3 easy steps Fits standard door preparations: 1-3/8" to 1-3/4" thick