Usage Tips:Accurate measurement: The Caliper Gages have a measuring range of 0-150/200mm, with an accuracy of 0.02mm, ensuring precise measurements for your projects. Shock-proof design: The Caliper Gages feature a shock-proof design, protecting the inst ent against accidental drops and impacts, ensuring durability and longevity. Metric measuring system: The Caliper Gages use the metric measuring system, perfect for professional use in a variety of industries and applications. Easy to read display: The easy-to-read display allows you to quickly and easily read the measurements taken by the Caliper Gages, providing a hassle-free measuring experience. Versatile tool: The Caliper Gages are a versatile measuring tool, perfect for measuring internal and external dimensions, depth and steps of objects. Made of stainless steel material, anti-rust performance Four way measurement: inside diameter, outside diameter, depth, step Indicator bidirectional earthquake The metal shell has the function of preventing iron Rotary dial zero, then lock Fine Adjustment Thumb Wheel Technical Parameters Measuring range 0-150/200mm Resolution:0.02 mm Accuracy: ±0.03mm Colour:silver Material:Stainless steel Package Contents: 1 x Dial vernier caliper Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.