PRECISION AND ACCURACY - The measuring range of stainless steel measuring tools is 0-150 mm / 0-6' ', and the accuracy is 0.001'', 0.01mm. The attached locking screws prevent unintentional slippage, secure the specified position and you receive error-free measurement results.TWO MEASUREMENT MODES - Stainless steel digital calipers (6 inches (0.15 m) with MM / IN button < /li> convert inches/millimeters instantly, so no time wasted on calculations. Then the knurled roller and adjustment screw ensure smooth sliding and precise positioning, no more time searching for different tools to measure SAE or metric parts.</ li> MORE MEASURING POSSIBILITIES - The 150mm caliper has two external jaws , depth gauge and slide rule Measuring outer and inner diameter (holes, slot, etc.) as well as depth and slope industrial and automotive industries, professional workers, home measurement and office work High Quality Material and Large LCD Display - Stainless steel construction allows the digital micrometer to slide smoothly, ensures sturdiness and durability, long service life, easy storage and transportation. Finely polished IP 54 grade stainless steel can block splashing water and dust. The large, high-resolution LCD screen helps you get accurate results quickly and easily. Product Descriptions Designed for home, DIY and professional use, this tool is very precise and you deserve it. The digital caliper is essential to guarantee the precision of all your measurements, whatever their nature. With an accuracy of 0.2 mm, a resolution of 0.01 mm / 0.0005 inch and a large display you get more clarity and more precise measurement data than with conventional calipers. You get the best digital caliper in the market with its excellent features like smooth caliper sliding, thumb adjustment screw, locking screw, mm/inch switch, large clear display, ON /auto OFF. This premium digital caliper is made of hardened, corrosion-resistant stainless steel, ensuring smooth, smooth gliding and precise positioning. With protection class IP54, it is perfectly protected against dust and water splashes from all directions. To protect your investment, our digital caliper comes with its own storage case. This protects your caliper from bumps and falls and allows you to store it discreetly and safely in your vehicle or tool cabinet. Outer diameter Functions - Measuring range: 0-150 mm / 0-6 inches --Resolution: 0.01 mm / 0.0005 inches --Display: LCD Screen Inner diameter Characteristics --Current: CR2032 3V --Color: Silver --Material: Stainless steel --Accuracy: 0.2 mm Depth Characteristics --Temperature: 0~104(40 - Operating humidity: