Mono-block vernier. Four-way measurements. Made of stainless steel or carbon steel. There are many different measure ranges: 100mm, 125mm, 150mm, 200mm, 250mm, 300mm. Digital caliper series: Four-way measurements. Without thumb wheel for range 75mm and 100mm. Auto power off. Zero setting at any position. Metric/inch system conversion at any position. With data output interface. There are many different measure ranges: 75mm, 100mm, 150mm, 200mm, 300mm. Dial caliper series: No-through slot. Integrated dial. Made of stainless steel. There are many different measure ranges: 100mm, 150mm, 200mm, 300mm.