The Master Lock ball style knob with six-way adjustable latch to fit all doors with 2-3/8in or 2-3/4in backset, square, rounded corners, or drive-in. This knob offers ANSI GRADE 3 performance for interior locking applications. The satin nickel finish provides a sleek appearance. Made in USA Privacy Door Lock Six-way adjustable latch fits all doors: 2-3/8in (60mm) or 2-3/4in (70mm) backset, square, rounded corners, or drive-in ANSI GRADE 3 performance For interior locking applications - Bedroom or Bathroom Brand: Master Lock Type: Door Handles & Locks.