Hyper Tough Keyed Entry bell Style Doorknob and Deadbolt are the perfect enhancement to your home. Designed for convenience and versatility the lockset is compatible with exterior residential and light commercial doors with knob and deadbolt keyed alike. The door lock and deadbolt are both pick bump and drill-resistant with an anti-pry shield. It is ideal for doors that need to be locked and unlocked. Latch bolt is operated by knob from either side. Operate the locking mechanism from the interior by thumb turn and lock and unlock from the exterior by key. It features a single-cylinder one-inch deadbolt with anti-saw pins. The knob and deadbolt fit most standard doors and is reversible for installation on left- or right-handed doors for suitability. The door hardware set is easy to install and makes changing locks a breeze. Mount on front back and side doors. Combo weighs 2.33 lbs.