Absolute accuracy of measurements and conversions - This caliper allows you to obtain precise data using internal, external, diameter, pitch and depth in SAE, metric or fractional. Calibrated to 0.01mm in fractions. Secure 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 precise that a child can use it. The ergonomic design provides a comfortable grip and features a large LCD screen. Measuring faces adjust with a machine grooved thumb roller that provides easy glide and precise position locking for a secure fit. Instant conversion between readings eliminates the headache of doing your own calculations. Compact, practical and high 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 sturdy molded case, this digital measuring tool comes with an ultra-long-lasting replacement battery and a screwdriver for changing 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. Features: LCD digital electronic caliper vernier gauge micrometer tool. Made from hardened stainless steel. Interior, exterior and height dimensions can be measured easily and accurately. Linear capacitive measurement system; Basic measurement function: inside, outside, depth and step measurement. Zero in any position. With a small locking thumbscrew that locks the jaws in place.; With a large, easy-to-read LCD screen. 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 inches.; Accuracy: +0.02 mm/ 0.001 inches (100 - 150 mm). Resolution: 0.01 mm/ 0.0005 in. - Repeatability: 0.01 mm/ 0.0005 in. Maximum measuring speed: 1 m/s; Power supply: 1 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 used for a long time. Close the jaws tightly and put it in the case to protect it. 2, Vernier caliper is a precise measuring tool, should be handled gently, avoid violent collision or falling to the ground. Package includes:1 x electronic digital caliper