DEADBOLT LOCK: Stylish and elegant, the Callan Single Cylinder Deadbolt Lock includes two keys; the thumbturn on the interior side unlocks the deadbolt without a key, providing quick and easy exit in emergencies ADDED SECURITY: This deadbolt set features a reinforced spring assembly and a protective collar, perfect for additional security; the deadbolt installation kit includes long 3-inch strike plate security screws and 1-inch throw with hardened steel bolt EASY TO INSTALL: Perfect for DIYers & professionals alike, this deadbolt lock set is quick & easy to install; installation requires only a Philip’s head screwdriver, & the door deadbolt lock comes with easy to follow instructions & necessary hardware STYLISH & DURABLE: This deadbolt offers elegant style to complement a wide assortment of decor themes; the deadbolt door locks chrome finish coordinates perfectly with other chrome entry knobs and levers WHERE STYLE MEETS SECURITY: Located in Georgia, Delaney combines superior products with great value to bring a touch of Southern Hospitality to every room in your home; we’re here for every step of your journey with expert customer service