[Material]: Made of acrylic and ABS plastic; Color: green-white as shown; Diameter: 15mm/0.6inch; Height: 8mm/0.3inch [Easy to use]: The bubble inside the circle will indicate that the tested surface is at water level as the bubble exactly in the middle of the circle [Package Included]: Universal Bubble Level Round Measuring Instrument, 10 pcs per pack [Application]: Used for leveling tripods, phonograph, DJ turntable, the telescope, tables, shelves, devices, etc. [100% Satisfaction]: If you have any questions about this item, please feel free to contact us, we will help you as soon as possible. 24 hours on weekdays Feature: - The products are made of ABS and acrylic materials by a special process. - The product is as clear as crystal. It is very beautiful. - It is very easy to see the sense of proportion. - The bubbles are very compact and can be carried around. - It is suitable for horizontal calibration of balance, electronic scale, camera platform and other other equipment. Specification: Material: ABS plastic Measuring range: 30 6 mm Accuracy: 10 < /p> Product dimension: 1.5 * 0.8 * 0.5 cm / 0.6 * 0.3 * 0.2 in Weight : 13 g List of packages: Level 5 bubble* Note: Actual product color may differ from photo due to light. There may be a slight deviation in the measurement of the product.