DescriptionThis product is made of premium aluminum alloy material, exquisite workmanship, durable, wear-resistant, comfortable feel. Can measure table, corner, carpentry, student party prerequisite products. Can be used as marking gauge for parallel lines. A nice tool for measurement.Feature- Color:Black. - Material: aluminum alloy. - Size: About 17.2x9x0.5 cm. - The measuring instrument ruler is made of premium aluminum alloy material and durable for long time use. - Exquisite workmanship, durable, wear-resistant, comfortable feel. - Can be used as marking gauge for parallel lines. A nice tool for measurement. - Simple structure, easy operation, high precision and wide application range. Can be used as the strike size of parallel lines. - Accurate, clear, wear-resistant, rust-proof, durable. for engineers, craft persons, model makers, etc. - Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you!