Features: 100% brand new and high quality Shatterproof, waterproof, unbreakable design made to withstand harsh environments. Multi-purpose, front-to-back or side-to-side leveling,weork perfectly for application. Green round horizontal bubble level makes it easier to locate the horizontal position. It is suitable for various installation levelmeasurement. Small and easy to keep in a drawer. It does not occupy the measurement position, and is suitable for narrow position measurement level. Widely used in the following occasions: adjust the hanging box level, frame level, mural level, camera level, office desktop level, computer case display level, computer monitors, office machine level, toys, special equipment level, furniture placement level, carpentry measuring level, factory machinery and equipment level,equipment, such as high accuracy of measurement requirements is available. Made of high optical clarity material Package Includes: 2 x Bubble Levels Specifications: Model Number: Hot bed leveler Material: Plastic Color:Pls See the Picture Size: Approx as below Circular Bubble Level : 25X10mm/0.98X0.39in Cylindrical Bubble Level : 9.5X39.5mm/ 1.56X0.38in Quantity: 2 note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.