eatures        1. The ruler is made of ABS plastic, durable, TPR non-slip handle is comfortable to grip    2. Calibration rotary wheel design, easy to adjust the bubbling position of horizontal pipe, easy to use    3. Aluminum alloy edge, with magnetic design, can be easily attached to the metal, convenient measurement    4. Indicator needle is accurate and scale is clear with large number markings    5. Gradient and Angle comparison table on the back is convenient for conversion    6. Widely applicable to all kinds of interior decoration, building engineering, pipeline construction, stair engineering, the measurement of slope Angle        Specification    Material: ABS    Color: See Photo        Package Includes:    1 x Measuring Tool