Absolute Accuracy of Measurements and Conversions - This caliper allows you to get accurate data using internal, external, diameter, pitch and depth measurements in SAE, metric or fractional. Calibrated to 0.01mm in fractions. Fix the faces in place and set to zero for differential measurements. Auto on/off function and low battery warning. Simple and comfortable to use - Designed for home, DIY and professional use, this tool is so simple yet incredibly accurate that a child can use it . The ergonomic design offers a comfortable grip and features a large LCD display. The measuring faces adjust with a machine-grooved thumb roller that provides easy gliding and precise position locking for a secure fit. Instant conversion between readings eliminates the headache of doing your own calculations. Compact, Convenient & Top Quality - This 150mm caliper is small enough to fit in your pocket. Whatever the price is ? We promise our caliper is made of hardened stainless steel without plastic parts, stronger than other brands. It is guaranteed against water, dirt and oil. Heart-to-Heart Service - Packaged in a heavy-duty molded case, this digital measuring tool comes with an ultra-long-lasting spare battery and a screwdriver to change it. The kit works right out of the box and comes with a detailed user manual. The best quality stainless steel digital caliper for precise measurements.< /p> Features: LCD Digital Electronic Caliper Vernier Gauge Micrometer Tool. Made of hardened stainless steel. Interior, exterior and height dimensions can be measured easily and accurately. Linear capacitive measuring system; Basic measurement function: inside, outside, depth and pitch measurement. Zeroing in any position. With a small locking knurled screw that locks the jaws in place.; With a large easy to read LCD display. Convenient conversion chart on the back. An ideal tool for a wide range of industrial and automotive applications. Measuring range: 0-150 mm / 0-6 in.; Accuracy: + 0.02 mm/ 0.001 inch (100 - 150 mm). Resolution: 0.01 mm/ 0.0005 in. - Repeatability: 0.01 mm/ 0.0005 in. Maximum measurement speed: 1 m/s; Power supply: 1 x 1.5V SR44 battery (silver oxide cell). Notes: 1It should be cleaned with cotton after each use and wiped with butter or oil when not in use for a long time. Close the jaws tightly and put it in the case to protect it. 2, The vernier caliper is an accurate measuring tool, should be handled gently, avoid violent collision or drop at the floor. Package includes: 1 x Electronic Digital Caliper