Lanwandeng 4 Pack Matte Black Door Knobs with Lock and Keys All Alike, Interior/Exterior Door Knob for Bedroom or Bathroom, Entry Door Lock

Reminder: Keyed Entry Lock, All KEYS SAME(1 key open all locks), 3 keys/pack,totally 12 keys | DURABLE: Confirm with ANSI Grade 3, Exceeds 200,000 cycles. Stainless steel knobs with high-grade copper lock and keys, high quality,durable, and matte black finish resist corrosion. | EASY INSTALLATION: Install your door knob in a flash, mounting screws and instruction are included. No need for professional door fitters, you can do it yourself! | KEYED ENTRY FUNCTION: Each door knob includes three BRASS keys, used for exterior door or interior door where security is needed. | DIMENSIONS: Steel 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 to 45mm). Note: The square plate of the latch is unremovable | CLASSIC DESIGN: From timeless elegance to striking modernity, our knobs fit and accentuate virtually any decor. Naturally, they're also designed, crafted and tested to ensure durability.