M Atte Black Keyed Entry Door Knob Entrance Door Lock Standard B All Features: solid knob with an electroplated black , very and long-lasting All metal adjustable pins are suitable for doors with a thickness of 30-50mm Locks purchased separately will have different keys. Each set includes 3 keys All metal structure with strength and Reminder: The screws that fix the door handle to the door should be pre installed on the handle and must be removed before installation Product Description: Black Keyed Entry Door Knob, Entrance Door Lock, Standard Material: metal Color: as the picture shows, (Due to the difference between different monitors, the picture may have slight color difference. please make sure you do not mind before ordering, Thank you!) EASY INSTALLATION: Install your door knob in a flash, mounting screws and instruction and screwdriver are included, you can do it by yourself. FEATURES: Entry Door Knob(KEYED ALIKE) and deadbolt(Keyed Outside and Thumb turn button inside) set. Material: Solid Steel; Finished Colour: Matte Black. APPLICATION: For exterior and interior doors where keyed entry and security is needed; Best used for residential exterior entry doors. Deadbolt is operated by keys both outside and Thumb turn inside. Double Security. DIMENSIONS: Adjustable latch with backset is 2-3/8" or 2-3/4"(60mm or 70mm) to fit all standard doors in the thickness of 1-3/8 '' to 1-3/4 '' (35mm-45mm). WARRANTY: 3-year mechanical and finish warranty. ANSI Grade-3 standard. If there is any quality or installation issue with our products, please feel free to contact us, we will reply you in 24 hours.