The Schlage F-Series Hardware Collection has everything you need to secure your home or office doors. Choose modern handlesets for a stylish look or install a Maximum Security Grade 1 Schlage Deadbolt for lasting protection. Schlage offers some of the most popular lever and knob designs in the industry. The Latitude Leverset is modern while the Siena Egg Knob has classic beauty. The Schlage F Series handlesets, leversets, door knobs, and deadbolt locks are easy to install and easy on the wallet, making them a standard in door hardware across the country.