Hyper Tough Keyed Entry Tulip Style Doorknob is the perfect addition or enhancement to any home. The Bell-style Door Knob features a clean and modern design that ll complement various interior styles and Decor. Constructed to fit comfortably in your hand it is easy to grip and turn with ease. The latch mechanism is operated by the Door Knob from either side. Operate the Door Knob by locking and unlocking with a key on the exterior and by a thumb turn on the interior. The keyed entry Door Knob is ideal for exterior doors where locking is required. It features a tubular chassis and is great for light commercial and residential use. The adjustable latch is compatible with 2-3/8 or 2-3/4 backsets and fits most standard doors measuring 1-3/8 to 1-3/4 thick. The Door Knob is reversible and can be installed on right or left-handed doors for suitability. This Door Knob two-pack makes changing multiple locks a breeze install on the front back and side doors.