High Precision Angle Slope Measuring Instrument Magnetic Level Bubble Inclinometer Protractor Angle Finder Slope Scale Level Description: description:Multi-functional gradient measurement instrument Weight: 330 g Measuring range: 130 0 - 130 (50-90-0-90-50) 10% 12% 15% 18% 20% Accuracy:1 Specifications: Comfortable plastic handle with adjustment knob The handle design conforms to ergonomic design, equipped with adjusting knob rotation, adjustable angle measurement Scale clear double line bubble high precision and simple double line bubble large digital dial more clear error 1 The ruler body is made of ABS material, which is light and strong, convenient to carry, not easy to damage and can be used for a long time Magnetic design Magnetic design can be attached to the surface of metal objects convenient and labor-saving Package Included: Measuring instrument * 1