1 Pack Keyed Single Cylinder Deadbolts Matte Black, One Side Deadbolt Lock, Flat Black Interior & Exterior Door Hardware (for Entrance Lock a

【About Combo Keys】: The keys are different if you purchase Multiple 1 Packs, one key for one door, suitable for different room security needs. If you need same keys, please purchase Combo Pack, like 2 Pack, 3 Pack, 4 Pack,etc, all keys are the same, all rooms can be opened with 1 key. This single cylinder deadbolt can be locked or unlocked by thumb turn from inside, or by a key from outside. Each bolt with 3 keys。【Stable & Durable】：The matte black round single keyed deadbolt confirms with ANSI Grade 3, exceeds , cycles,long lasting for daily use. Suitable for rooms where locking and special security needs. Perfect for exterior door, interior door, front door, bedroom. Provide high security to your home.【Adjustable Latch】: The latch of this single keyed Deadbolt is 2-3/8" or 2-3/4"(60mm or 70mm). Fits for door thickness: 1-3/8" to 1-3/4"(35mm-45mm). Deadbolt diameter is 65mm. The latch plate is square, and can't be removable.【Easy Intallation】: Easy to install with all accessories included (deadbolt,latch,strike plate,screws,keys). All you need is a Phillips screwdriver!【Universal locking deadbolt】: For all standard doors, fits both right and left handed doors. Zinc alloy material not get dirty easily. For any quality problem,we will send the replacement or , if you have any questions with our product, please inform us, we will be for your service.