Modern single-cylinder deadbolt for use on exterior doors that is keyed on one side like front doors, garage doors, security doors, or back doors. This deadbolt lock fits standard door prep and easily installs with a screwdriver. This square door lock features Kwikset SmartKey Security, which protects against advanced break-in techniques and allows you to re-key your lock yourself in seconds. Microban product protection keeps door hardware 99. 9% cleaner than unprotected surfaces. This ANSI/BHMA Grade 3 Kwikset deadbolt pairs perfectly with our square door levers and modern handle sets. An established leader in lock technology, Kwikset is widely recognized for providing families security and peace of mind with high-quality door locks and door hardware. Kwikset offers a complete line of products including decorative door knobs, door levers, deadbolts, handle sets, and electronic keyless entry locks for residential and light commercial applications. Browse the entire Kwikset product offering to find the right door hardware for your home.