Double Keyed Door Knob Lock - HD Steel Double Cylinder Keyed Alike Door Lock with Satin Chrome Finish - Secure Automatic Locking for Gates, Offices & Homes

DOUBLE KEYED DOOR KNOB LOCK ALWAYS REMAINS IN LOCKED POSITION & INCLUDES FREE KEYED ALIKE SERVICE - Order 1 Lock Set Or 10, We'll Custom-Key Every Knob To Work With 1 Key Unique To Your Order. Retro Fits Wood or Metal Door Preps (drilling new holes may not be necessary!) Whether You're In Or Out, You Get Double The Security In One Lock! Secure spaces make for joyful people and productive working environments. This stainless steel knob set with a satin chrome finish is perfectly designed to only be accessed with its key as it always remains locked on both sides with hidden screws. Back-to-back cylindrical deadlatch providing keyed access in both directions for total premise security. The spring-loaded latch bolt WILL lock automatically when the door is shut unless the key is used again for entry or exiting. Conveniently reversible for right or left-handed doors. Made with highly durable grade 2 steel & brass components. Besides the unique automatic double locking convenience, you also get industry-endorsed Grade 2 protection, meaning you pay less for the same hammering, prying, sawing, picking & kicking security as the toughest more expensive brand name locks. This makes an excellent connection to any standard door prep. Architectural design blends in with most door decorative hardware. Installation by Phillips screwdriver. Includes one ANSI grade II cylindrical 2 3/4" (70mm) and one 2 3/8" (60mm) backset. For door thickness 1 3/8" - 2". Deadlatch 1/2" (13 mm) throw. Pinned with six chambers, rekeyable cylinder equipped with mushroom pick resistant pins. Also known as Institutional or Asylum function commercial knob locks, these are well suited for aluminum, steel, and wood doors. 100% guaranteed in materials and workmanship. *NOTE: IF YOU ARE NOT HANDY WITH LOCK HARDWARE COMPONENTS, PLEASE CONSULT WITH A CERTIFIED LOCKSMITH.? Buy this hard to find knob lock Today. Don't just lock it...SECURE IT!

? HEAVY DUTY DOOR KNOB LOCK SET INCLUDES FREE KEYED ALIKE SERVICE - Besides The Unique Automatic Double Locking Convenience, You Also Get Grade 2 Protection, Meaning You Pay Less For The Same Hammering, Prying, Sawing, Picking & Kicking Security As The Toughest More Expensive Brand Name Locks. Plus We'll Custom-Key Every Additional Knob To Work With 1 Key!

? KEY PROTECTED ON BOTH SIDES FOR TWICE THE SECURITY - These Security Enhanced Commercial Door Knobs With Lock And Key Remain Automatically Locked On Either Side (Self-locking), Its Key Must Be Used For Door Access - Perfect Gate Lock Replacement.

? BUILT WITH COMMERCIAL GRADE DEADLOCKING PLUNGER - Installs With Hidden Screws For Added Security & Exceeds ANSI A 156.2 Grade 2 Torque Requirement. Tested well over 4,000,000 cycles, BHMA Certified & Is 3-hour Fire Rated By United Laboratories. For door thickness 1 3/8" - 2". Deadlatch Has 1/2" (13 mm) throw.

? GET PROVEN FINISH & MUSHROOM PICK PROTECTION - Pick Resistant Pins With ANSI - BHAMA Certified Grade 2 Stainless Steel Construction. Finish will survive 96 hours in a salt spray environment.

? U.S.A. MANUFACTURER WARRANTY - Rest Assured With Your Double Keyed Entry Door Knob, Backed With Industry Standards Against The Rigorous Demands of Daily Usage With Our Limited Lifetime Mechanical Warranty.