STURDY stainless steel construction and machined through a fully automated precision CNC machine tool (Computer Numerical Control) to ensure quality stability and product durability. With a finish of Fully automated precision CNC machining surface, the product has a perfect smooth surface that reflects light very evenly, so the product appearance is very aesthetic Top quality product. Won't rust, stays stainless forever - a durable quality product that can last a lifetime Adjustable height: min. height: 69mm, Max. height: 110mm, product net weight: 190 grams Each doorstop comes with an extra / spare rubber tip Instructions: Use a flat blade screwdriver to secure the brass bolt firmly after adjusting the height of the door stopper. Color: Silver Shipping Quantity: 1 piece Note: 1. Please allow error due to manual measurement. Thank you for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as the standard.