—Dimensions & Weight: Measures 9.29 x 3.03 x 0.62 inches (236 x 77 x 16 mm) and weighs just 161g, making it compact enough for portable use without sacrificing functionality. —Material: Constructed with a stainless steel body for rugged durability, paired with an ABS plastic digital module — built to withstand regular use in workshops, labs, or home projects. —Multi-Functional Measurement: Accurately measures internal/external dimensions, depths, and steps in mm, inch, and fractional inch formats — ideal for woodworking, metalworking, jewelry making, and more. —Easy Operation: ——Press “ON/OFF” to power the device. ——Use the “mm/in/F” button to switch between measurement units. ——Tap “ZERO” to reset the reading at any point for incremental measurements.