Feature:1. Made of highquality highcarbon steel casting, high hardness and durable2. Using advanced laser scale, marking is clear, high accuracy and accurate reading3. The bayonet of scale is flat with fine workmanship, and the bayonet bite tightly4. The top nut can be tightened to lock the measurement data, convenient and practical5. Available in 3styles for choices, 0150mm, 0200mm and 0300mm, can meet different needsSpecification:Item Type: Vernier ScaleMaterial: High carbon steelScope of Application: Used to measure the width of the workpiece, the outer diameter, inner diameter and depth of the workpieceProduct Use: Step measurement, decoration measuring tools, factory, electrician maintenance, etc.Measuring Range(approx.): 1. 0 ~ 150mm / 0 ~ 5.9in2. 0 ~ 200mm / 0 ~ 7.9in3. 0 ~ 300mm / 0 ~ 11.8inAccuracy: 0.02mm .Package List:1 x Caliper1 x Storage Box