The Master Lock BCO0103 features a biscuit style knob with six-way adjustable latch to fit all doors with 2-3/8 in. (60 mm) or 2-3/4 in. (70 mm) backset, square, rounded corners, or drive-in. This knob offers ANSI Grade 3 performance for exterior locking applications. The polished brass finish provides a sleek appearance. Color: One Color.