150mm 180 Degree Protractor Goniometer Adjustable Metal Arm Angle Ruler Round Head Rotary Woodworking Mathematics Measuring Tool

Note:Please remember to loosen the fastening screw before use, and then perform rotation measurement, otherwise resistance will be generated and scratches will appear.

Product Name:Protractor

Material:Stainless Steel

Specification:150mm

Measurement Degree:0-180 Degrees

Applicable To:Painting, Work, Measurement, Learning

This product is made of stainless steel. If friction occurs during transportation, slight scratches will inevitably occur, but this will not affect the use. If you are unacceptable, please do not buy, thank you.