1、DURABLE MATERIALS: The woodworking square ruler is made of durable aluminum alloy material with a CNC anodized surface for effective corrosion protection 2、EASY TO USE: The 3D aluminum alloy woodworking square ruler provide clear and accurate laser etched marks, making measurements and marks easy to read 3、APPLICABLE SCENARIO: Multi angle gauges simplify your woodworking projects. Come with scales for common angle and ruler measurements, ideal for measurement, marking and calibration 4、ACCURATE SCALES: With built in scales of 22.5°, 30°, 45°, 60°, 67.5° and 90°, the woodworking square tool combine speed and carpenter scales for convenience and accuracy 5、PORTABLE AND WIDELY APPLICABLE: 3D multi angle measuring ruler come with a compact size to fit in your pocket. Ideal for DIY enthusiasts, engineers, carpenters, and decorators, and a must have tool for woodworking