Multifunctional Angle Gauge Adjustable DIY Angle Ruler Protractor Math Geometry Drawing Ruler

Description: Multifunctional Ruler Angle Gauge Adjustable School DIY Angle Ruler Protractor Math Geometry Tools ? Specifications: Material: ABS Measurement accuracy: 1mm Measurement range: 30cm Division value: 1mm ? Features: - Made of ABS, easy to remove by turning the screw. - ABS not easy to rust, durable. - Measuring range is 0-180 degree. - It can draw circles or arcs with a diameter of 4-30cm. - Simple measurement for angle and length. ? Package Included: 1 PC x Angle ruler ? More Details:
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