The Master Lock TUO0115 Tulip Door Knob with Lock in Satin Nickel is a stylish and secure entry door lock designed for residential use. Featuring a classic tulip-style knob and a sleek satin nickel finish, it complements various home decors. The lockset includes a six-way adjustable latch, ensuring compatibility with doors having 2-3/8" or 2-3/4" backsets and square, rounded corners, or drive-in installations. With ANSI Grade 3 performance, it offers reliable security for exterior locking applications. The TUO0115 model comes with keyed different configurations, providing flexibility for homeowners. Additionally, the lockset is backed by a 10-year limited warranty, offering peace of mind from a trusted brand.