3D Multi Angle Measuring Ruler Woodworking System Square Tool 22,5–90 Degree Protractor Aluminum Alloy Blue Technical data: Item Type: Polygonal Measuring Ruler 3D Material: Aluminum Alloy List of packages: 1 x 3D polygonal measuring ruler 1 x Angle Ruler 1 x Key 2 x Screw Characteristics: 1, DURABLE MATERIALS: The square woodworking ruler is made of durable aluminum alloy with CNC anodized surface for effective corrosion protection 2, EASY TO USE:The 3D aluminum alloy square woodworking ruler provides clear and accurate laser engraved marks,performing measurements and markings easy to read 3, APPROPRIATE SCENARIO:Many angle meters simplify woodworking projects. Includes scales for typical measurements of angles and rulers,ideal for measurement, marking and calibration 4, EXACT WEIGHTS:With built-in scales of 22,5, 30, 45, 60, 67,5 and 90,square woodworking tool combines speed and carpentry scales for convenience and accuracy 5,PORTABLE AND WIDELY USED:Polygonal measuring ruler 3D ma small size,which fit in your pocket. Ideal for DIY enthusiasts, engineers, carpenters and decorators, as well as an essential tool for woodworking