This product is made of stainless steel, not easy to rust, long service life, new high quality, reliable and safe. The scale is engraved by a precision laser machine. The numbers are very clear and easy to read, and we believe it can make your life easier. Stainless steel ruler, not easy to deform and bend, high measurement accuracy, the product is compact, easy to carry, and suitable for outdoor use. The calipers have sharp tips that can scratch wood, plastic, iron and other materials, stable performance and strong practicality.