Multi Angle Measuring Ruler Carpentry Mason Protractor Wood-working Angle Ruler Protractor for Construction Angle Measurement Goniometer

Feature: 1. Carefully engraved numbers and line identification make the protractor not wear out that reading operation can always happen. 2. The screw for measuring the angle can be positioned by the knob, which is for easy reading. 3. Scales and readings of inch on the ruler are easy to use in different occasions. 4. Made of aluminum alloy material, such kind of goniometer is easy to use in the practical life. 5. Suitable for construction, woodworking and masonry, the angle ruler is with 1mm accuracy. Specification: Item Type: Angle ruler Material: Aluminum alloy Measuring Range: 0 ~ 500mm (0 ~ 20 inch), 0 ~ 180 ° Accuracy: 1mm Scope of Application: Construction, woodworking, masonry Package List: 1 x Angle Ruler