It is convenient for carrying. Calipers used for various dimensional measurements. It can measure outer diameter, inner diameter measurement, depth measurement, step difference measurement. Product size / length: 114 mm, width: 39 mm, height: 5 mm. Product weight: 22 g. Package size / length: 175 mm, width: 78 mm, height: 18.2 mm. Package weight: 50 g. Material: stainless steel. Instrument difference: + - 0.06 mm. Measurement range: 0.05 to 70 mm. Minimum reading value: 0.05 mm. Shinwa Rules Co., Ltd. (Shinwa Sokutei) is the leading manufacturer of measuring instruments having the largest share in Japan in the field of metallic scales. Shinwa Sokutei manufactures metallic rulers as flagship products and variety of measuring instruments, and provide them through distributors around the globe. Their products are mainly used for measuring architectural materials in the construction industry and highly reputed as excellent design with user-friendly functions by builders. Also, many professionals working in manufacturing plants and inspection institutions are satisfied with Shinwa's products' lengthy durability under harsh environment. Shinwa Sokutei, which began with the manufacture of metal rulers in 1971, has pursued "measuring" since its founding. The desire to enrich the lives of many people by "measuring" is the origin of Shinwa Sokutei. [Product lineup of Shinwa Sokutei] Curved Scale, Straight scale ? machine scale, aluminum straight Scale, straight Scale made of resin, straight Scale made of bamboo, protractor, micrometer, convex, tape measure, surveying equipment, scale, level, laser ? Optical equipment, sanitization ? standard setting tool, Round saw ruler, building tool, factory tool, thermometer ? hygrometer ? environmental measuring instrument, outdoor equipment, loupe, drafting supplies, magnet.