FEATURES Round high precision optical clear material black line, internal assembly provides very small parallax error. Suitable for professional measurement and normal use. Used for adjusting the level of furniture placement, photo frames / 3D printers / leveling cameras, factory machinery, woodworking measurement level and equipment leveling, such as high-precision measurement requirements. Bubble Level Place the bubble level on the surface you want to measure, the center position inside the bubble level will show the surface as level. Product name: Universal level meter Product material: metal Product Size: 60*10mm Color: Silver Packing list (available after purchasing one product) Level x1 Please understand: 1.Due to the long shipping time, the item may be damaged during transportation. If the item is damaged, please leave us a message through the official website immediately and then post a comment, I will solve the problem for you. 2. Due to manual measurement, the size may have 1-3cm error. 3. The color may vary from monitor to monitor.