SJJ Door Knobs with Lock and Key, Matte Door Knob, Exterior Door Handle Interior Door Knob Lock, Rectangle Keyed Entry Door Knob for Front Door

【Dual Safety】This matte entry knob locks from both sides, providing a secure environment with a turn-button and key. 【Door Compatibility】 with doors having 2-3/8" (60mm) or 2-3/4" (70mm) backsets and 1-3/8" (35mm) to 1-3/4" (40mm) thickness. 【Premium Material】Constructed from high-quality, rustproof zinc alloy and ANSI Grade 3 certified for durability, making it a top choice for security. 【Design】Boasting an matte , our bedroom door knob with lock introduces a yet fashionable element to your personal area 【 Installation】This door knob lock can effortlessly set up using just a screwdriver, featuring a straightforward and quick installation that conserves your time and energy