Solid SUS-304 stainless steel structure, strong and durable, processed by fully automatic precision CNC (Computer Numerical Control) machine tools to ensure quality stability and product durability. With fully automatic precision CNC machining surface finishing, the surface of the product is perfectly smooth and reflects light very evenly, so the appearance of the product is very beautiful. Premium product. Will not rust and stay rust-free forever - a durable and high-end product that will last a lifetime! Adjustable height: Minimum height: 69 mm, Maximum height: 108 mm Note: After adjusting the height of the door stop, use a flat-blade screwdriver to tighten the brass bolt firmly. Silver, base diameter 49 mm