Measuring tool combination angle ruler 300MM woodworking angle ruler product description: 1PC 300mm (12") adjustable combination engineer Try the square square ruler set glasses: 100% brand new Material: stainless steel + zinc alloy Total length: about 30cm / 12" Color: as shown feature: 1. Suitable for measuring, marking Laying output, etc. 2. Used as external processing block, depth gauge, marking point, 90 degree and 45 degree level. Try Cuadrado and Mitre square indoors 3. Stainless steel smoothness ruler, clarity and calibration accuracy 4. Fully adjustable square head leveling 5. Marking of centimeters and millimeters note: 1. Before use, be sure to tighten the bolts to fix the blade. 2 Due to different displays and lighting effects, the actual color of the product may be slightly different from the color shown on the picture. Thank you. 3. Due to manual measurement, please allow a measurement deviation of 1-3mm. The package includes: 1 x combined square ruler