Descriptions: This professional grade Digital Caliper is a hi-tech precision instrument which is made out of surgical grade stainless steel. It can be used to measure internal and external distances with extreme accurately.Using the Digital Calipers is easy - measurements are clearly displayed and can be switched between metric or imperial with a simple push of a button. Features: Measuring range: 0-300mm 12 inch Ideal for a broad range of industrial and automotive applications Material: hardened steel Display: SUPER LARGE LCD display. Measuring system: Linear capacitive measuring system. Internal, external and height dimensions can be easily and accurately measured Base measuring function: Inside, outside,depth and step measuring Zero setting at any position within measuring range With a small locking thumb screw which locks the jaws in place Handy conversion chart at the back Push button switch from metric to inch measurement Resolution:0.01mm/0.0005 inch Repeatability:0.01mm/0.0005 inch Package Includes:including Hard Case 1 x Digital Caliper 1 x User Manual