Mono-block Vernier height gauges: Mono-block vernier. Carbide tipped scriber. With fine adjustment. Made of stainless or carbon steel. There are many different measure ranges: 200mm, 300mm, 500mm, 600mm, 1000mm.Digital height gauges: Carbide tipped scriber. With fine adjustment. Manual power on/off. Zero setting at any position. Metric/Inch system conversion at any position. With data output interface. Absolute measurement and comparison measurement conversion any position. With presetting function. There are many different measure ranges: 200mm, 300mm, 500mm, 600mm, 1000mm.