The Master Lock TUO0403 is a residential-grade interior passage knobsets designed for high-traffic non-locking applications such as hallway and closet doors It features a durable tulip-style knob in a polished brass finish and is built to deliver ANSI Grade 3 performance for reliable daily operation The six-way adjustable latch provides universal installation compatibility fitting doors with a standard 2-3/8-inch (60mm) or 2-3/4-inch (70mm) backset and accommodating square or rounded corner preparations or drive-in mounting This hardware is an ideal choice for homeowners and builders seeking an easy-to-install and versatile interior door solution backed by a Ten Year Limited Warranty.