3 Pack Double Cylinder Deadbolts Flat Black, Keyed Two Sides Deadbolt Lock, Matte Black Interior & Exterior Door Hardware (for Entrance Lock and Front Gate)

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 double cylinder deadbolt can be locked or unlocked by a key from both inside and outside. Each bolt with 3 keys | Stable & DurableThe matte black round double keyed deadbolt confirms with ANSI Grade 3, exceeds 200,000 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 double 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 refund, if you have any questions with our product, please inform us, we will be 24 hours for your service.