Features • Enhanced Stability: The all-aluminum alloy coupling and stepper motor ensure reliable operation, reducing the risk of disruptions during your projects • Compact Design: The mini size of the level bubble ruler makes it easy to carry, allowing for quick and accurate leveling anywhere you go • High Precision Measurement: Featuring a three-line design, this tool offers exceptional clarity and accuracy, ensuring your surfaces are perfectly level • Versatile Compatibility: Ideal for a variety of applications including 3D printers and DIY remote control cars, making it a must-have for hobbyists and professionals alike • Durable Construction: Crafted from premium materials, this level bubble ruler is designed to withstand wear and tear, ensuring long-lasting performance in any environment Features: 1、Green color, centering with black lines, clearly visible resolution from all sides, easy to read. 2、The bubble inside the circle will tell that the object surface is level as the bubble shows in the middle of the circle. 3、High optical clarity material, high transparency, three？line design, more accurate measurement. 4、The handy small pocket sized is perfect for quick use anywhere, makes more convenient and accurate. 5、Mini level ruler auxiliary tool platform balance ruler is suitable for 3D printer series leveling detection. Specification: Item Type: Level Bubble Ruler Material: ABS Product Function: Used for 3D printer leveling detection Package List: 2 x Round Ruler 2 x Cylindrical Ruler 2 x Cuboid Ruler Package List 2 x Round Ruler 2 x Cylindrical Ruler 2 x Cuboid Ruler