With magnetic bottom, this angle measuring instrument has strong adsorption force and can be tilted and fixed upside down on the metal, which is more convenient for your measurement and record. Using high sensitivity bearing force dial, it can automatically determine a variety of slope.Clear scale is convenient for you to be able to measure the angle accurately. Fluorescent bubbles can be clearly seen at night, allowing you to calibrate horizontally and vertically.Made of ABS material, it is very durable.Length of this product is 9.3cm, the width is 8.5cm and the height is 1.4cm.It is suitable for civil engineering, construction works, interior decoration project, measurement and so on.Item Name: Slope Angle MeterMaterial: ABSAccuracy: 0.1 DegreeMeasuring Range: 0 Degrees - 90 DegreesFeatures: High Sensitivity, Accurate, Clear Scale A (Without Level Bubble), B (With Level Bubble)Product Usage: Civil Engineering (Retaining Wall Construction, Ditches and Dams, Pipeline Drainage, etc.), Indoor and Outdoor Drainage Slope Setting, Slope MeasurementSize Details: Length: 9.3cm/3.66" (Approx.)Height: 8.5cm/3.35" (Approx.)Thickness: 1.4cm/0.55" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Slope Angle Meter Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.