FeaturesPrecise Measuring ToolsEach basic unit is divided into 10 partsVernier caliper with storage case and instructionsMore Accurate Measuring ToolsThe caliper measures in tenths of an inch and tenths of a cm for greater accuracy.Standard Thread (Inch and Metric)A sticker on the back indicates the Whitworth and metric thread standard.Fixed Thumb RestThe thumb rest of the caliper cannot slide like the thumbwheel of the digital caliper. It is designed to facilitate one-handed operation for people to hold the caliper and adjust the position when measuring objects.4 Measuring MethodsOuter DiameterMeasure the outer diameter or length of objects with the jaw.Inner DiameterMeasure the inner diameter of objects with the upper jaws.Depth MeasurementMeasure the depth of objects with the depth gauge blade.Height MeasurementMeasure the height of walking using the caliper step.Package Contents:1 x Stainless Steel Caliper1 x Black Storage CaseTipsKeep the surface clean, prevent liquid from entering the slider and do not immerse it in liquid.The surface should be gently cleaned with medical alcohol.Use a small amount of micrometer lubricant to wipe the reference end surface and sliding parts.Store the caliper in a clean and constant temperature and humidity place, avoid high temperature, high humidity, dusty and oily places. (Fix with storage case)[Material Construction] The caliper is made of carbon steel, and this carbon steel measuring tool is solid and durable, can ensure strength and durability, has a long service life.[Accurate and Precise] Measuring range: 0 - 150 mm (6 inches); Resolution: 0.02 mm (0.001 inches); Accuracy: 0.03 mm (0.001 inches).[Easy to Read] The digital caliper has an accurate scale and a clear scale. This scale makes this carbon steel measuring tool easy to measure and read the value, bringing more convenience to your work.[With Storage Case] High precision vernier calipers, with a storage box, convenient to take and easy to carry, this kind of carbon steel measuring tool with accurate scale is easy to use.[Wide Range of Applications] Our stainless steel vernier caliper can measure not only the length, but also the width, height, depth, inner and outer diameter of the goods.