The Design House 782938 Ball Keyed Entry Door Knob offers a secure and convenient access solution for exterior doors, ideal for front and back entrances. This knob features a keyed entry on one side for enhanced security and a turn-button operation on the other, providing easy access for residents. Finished in a classic polished brass, this door knob complements a variety of home styles and is suitable for both left and right-handed doors. Designed to fit standard 1-3/8-inch and 1-3/4-inch thick doors, it accommodates the most common backsets in the U.S. 2-3/4-inch and 2-3/8-inch. The robust 1/2-inch nickel-plated latch bolt ensures a secure hold, while the 5-pin security system adds an extra layer of protection. Installation is straightforward with a standard 2-1/8-inch diameter cross bore and a 1-inch diameter edge bore. Meeting ANSI Grade-3 certification standards, this entry door knob is rated for residential security, offering reliable performance and peace of mind for your home. The faceplate measures 1-inch by 2-1/4-inch with a radius corner design, providing a clean and finished look.