Master Lock BCO0103 Master Lock Biscuit Style Knob Entry Door Lock; Polished Brass

Entry 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 exterior locking applications, Entry door - KA4. The Master Lock No. BCO0103 features a biscuit 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 exterior locking applications. The polished brass finish provides a sleek appearance. The Limited Lifetime Warranty provides peace of mind from a brand you can trust.