Master Lock

This features a single cylinder deadbolt with interior thumb turn. The deadbolt is four way adjustable for 2-3/8in or 2-3/4in backset, square, or rounded corners. The deadbolt offers ANSI grade 1 performance for exterior locking applications. The 25 mechanical 5 finish warranty provides peace of mind from a brand you can trust.

Features:

• Single cylinder deadbolt (thumb turn inside) - four way adjustable; 2-3/8in (60mm) or 2-3/4in (70mm) backset, square, or rounded corners
• ANSI Grade 1 performance
• For exterior locking applications, entry door - KA4
• Operates with KW1 cylinder
• All-metal chassis
• Corrosion-resistant solid brass cylinder plug
• Replacement cylinders available to satisfy customer orders quickly