4 Pack Door Knobs with Lock and Keys All Alike, Entry Interior and Exterior Door Lock for Bedroom or Bathroom, Black Privacy Ball Doorknob (Keys Alike)

Parameter Information: Material: Stainless Steel + Copper Color: Matte Black Knob Diameter: 2.09""(53mm) Rosette Diameter: 2.56""(65mm) Latch length: 2-3/8"" or 2-3/4""(60mm or 70mm) Fit all doors of 35 to 45 mm(1-3/8"" to 1-3/4"")thickness Square non-removable plate Easy Intallation：All needed accessories included，No need for professional door fitters, you can do it yourself Package Include: 4 x Door Knob Lock Sets

• Dimensions: Designed to fit most doors, this black door knobs interior includes an steel adjustable latch that supports 2-3/8" (60mm) or 2-3/4" (70mm) backsets. It works with door thicknesses ranging from 1-3/8" (35mm) to 2" (50mm), making it compatible with nearly all standard doors
• Dual-Level Security: This door knob with lock features a keyed knob on the exterior and a thumb-turn mechanism on the interior, providing reliable dual-level security. Each door knob includes three BRASS keys, used for exterior door or interior door where security is needed(All Keys Alike for 4 Door Lock)
• Durable Construction: Crafted from premium stainless steel with a matte black electroplated finish, this bedroom door knobs with lock resists rust and wear for long-lasting performance, it combines durability with modern elegance
• Easy Installation: Install your door knob with lock and key in a flash, effortlessly using just a screwdriver—no professional tools or expertise required. Mounting screws and instruction are included. No need for professional door fitters, you can do it yourself
• Wide Application: The interior door knobs are ideal for rooms where privacy is needed, such as bedrooom and bathroom. Clean and smooth lines of entry door knob complements your home’s interior door and look modern and classic