The Kwikset Pismo Satin Nickel Bed/Bath Microban Antimicrobial Door Knob with Lock is a stylish and practical hardware option for residential use. With a classic round shape and a sleek satin nickel finish, this door knob is suitable for bathroom doors, interior room doors, and features adjustable backset for a customizable fit. The knob diameter is 2.19 inches, and it has a universal/reversible door handing capability, making it a versatile choice for various door types. Made of nickel with a finish crafted in Taiwan, this Kwikset door knob combines functionality with a timeless design aesthetic.