Features: Crafted from 304 stainless steel, this Round Recessed Door Lock offer great rust resistance. Great for high-humidity areas like bathrooms or kitchens. It resists fading, maintains a smooth, comfortable touch, and withstands daily wear without structural damage, ensuring long term reliability and a sleek silver finish that complements any door decoration. It has double sided rotatable handles that tuck into the knob’s center when not in use, keeping a clean, minimalist look. none key is needed: simply turn the handle to open/close, and a small latches can be added for outward-opening invisible doors, boosting practicality. Featuring a flush mounted recessed design, the door handle sits perfectly with the door panel—none rubbing against the frame. This hidden lock works for living rooms, bedrooms, bathrooms, kitchens, balconies, and passageways. Specifications: Component: Stainless Steel Diameter: about 7.5cm/2.95inch Package Includes: 1set Round Recessed Door Lock note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.