Art steel ruler with double scale 1. The accuracy of stainless steel ruler is high, which will not affect the accuracy with the change of seasons. 2. Steel ruler is not easy to break, not easy to bend, plastic ruler broken usually form a point, easy to puncture hands. 3. Double-sided scale, one side metric and one side inch, scale is not printed, lettering, scale is clear and easy to read, and will not fade. 4. Durable and wear-resistant, long service life, with this kind of ruler, you don't need to buy a ruler. 5. Surface matte treatment is not reflective, not dazzling, smooth and straight edge, precision manufacturing, widely used. Material: steel ruler Size: 17cm*2cm*0.3cm, 22cm*2cm*0.3cm, 32cm*2cm*0.3cm Type: straight ruler Weight: 0.017 kg Color: silver white Unit: One Style: Modern and simple Scale: Two-sided scale, one metric, one foot Style A: straight ruler 15cm Style B: straight ruler 20cm Style C: Straight ruler 30cm This ruler is made of stainless steel with no rust, lettering and clear lettering.