Our 01401A 6-Inch Electronic Digital Caliper precisely and accurately measures a variety of materials. This tool can measure the diameter, width, length, depth, and step measurement of any material or item in inches and millimeters. It can also quickly convert between inches, fractions, and millimeters for easy readings. This precise measurement tool is great for woodworking, jewelry making, or other metal projects that need precise measurements.With a hardened and finely polished stainless-steel construction, this digital caliper is rust-resistant and will last through years of use. It features a knurled thumb roller that makes it easy to adjust the 2 sets of caliper jaws and a locking screw to keep the slider moving smoothly and lock it into place. It also has an extra-large LCD screen to display measurements in highly visible text for easy reading. The caliper is powered by an included LR44 battery. Use this digital caliper as a pipe-measuring tool for plumbing jobs or for a personal home project to get accurate and precise measurements. Whether you need to measure the diameter of a metal coin or need new measurement calipers for the jobsite, NEIKO has your back with our durable, dependable, and strong tools.