1 Pack Keyed Alike Entry Door Knob with Double Cylinder Deadbolt Lock Combo Set for Entrance and Front Door Lock with Polished Brass Finish Combo Pack Door Lock with Key

FUNCTION INTRODUCTON: Entrance Function: Lock from inside manually(with thumb turn) and use a key on the exterior(each set has different keys) b>Double Cylinder Combination: Entry Lock with Double Cylinder Deadbolts provide double security,best match for back/front door,master room,cabin,utility room etc KEYED ALIKE/COMBO PACK: All keys are the same, all locks you received can be opened with the same key, minimize keys in your home. SPECIAL TIPS: ? Each lock has three keys, The more packs you buy, the more keys you will get. ? Same key in the same pack, different keys in different packs.each key is special-keys between different Pack are not universal, ? Please pay attention to the function of deadbolts, Some state may ban the use of double cylinder deadbolts in case of untimely escape,like fire/ flood /typhoon etc PRODUCTION INFORMATION: ?Product Name: Flat Ball Style Entry Doorknob Set (Exterior&Interior) ?Color&Finish: Polished Brass (Golden Finish) ?Material: Solid Steel(Latch), Zinc Alloy(Handle) ?Certification: ANSI Grade 3, Exceeds 200,000 cyles ?Package Include: Latch, cylinder, mounting screws, strike plate and installation instruction ?Dimension: Adjustable Latch with Backset: 60mm (2-3/8") or 70mm (2-3/4 ''); Fit all doors 35 to 45 mm ( 1-3/8 '' to 1-3/4 '')thick, ?Please kindly notice: The latch plate is square, and can't removable. ?Easy Installation:Tools for replacement installation, philips screwdriver.One-person project; no extra hands needed Tools required for new installation:hammer,chisel,measuring tape,power drill,removable tape,pencil.2-1/8?hole boring saw,1? hole boring bit ,1/8? drill bit,Safety Googles.