norm Product name: Horizontal calibrator line calibration precision tools Product gross weight: single gross weight about 260g Color: Black, yellow Material: Aluminum alloy Product size: 10*7cm/4*2.8in Product packaging size: 14*9*3cm/5.6*3.6*1.2in peculiarity 1. Level calibrator: Precision tool for measuring and adjusting the level to ensure accurate level calibration. 2. Accurate measurement: With high-precision measurement function, small horizontal deviation can be detected to ensure the accuracy of the work. 3. Easy to carry: The horizontal calibrator is usually small and light in design, easy to carry and use, suitable for horizontal calibration in various occasions. 4. Easy to operate: the operation is simple and convenient, the use of simple, users can quickly start to use. At the same time, it has strong practicability and long service life. 5. Widely used: suitable for construction, decoration, machinery manufacturing and other fields, is one of the tools commonly used by professional workers and DIY enthusiasts.