Four-way measuring caliper for inside, outside, depth and step dimensions; 0–12 in / 0–300 mm range with 0.0005 in / 0.01 mm resolution and ±0.04 mm accuracy ensures precise measurements on machine shop parts and student projects. Robust hardened stainless steel shafts (approx. HRC 52.5) and a heavy-duty metal cover with IP54 water resistance protect the electronics and ensure longevity in workshop environments. Extra-large LCD display shows readings instantly when jaws are pulled; auto-off after five minutes preserves battery life; includes one 3 V CR2032 battery plus two spares Ideal for machinists, students, teachers and engineers measuring metal, wood or plastic components on lathes, milling machines, 3D printers or for classroom demonstrations. Supplied in a fitted plastic case with manual and three batteries; choose this 0–12 in model for projects requiring a compact and precise measuring tool; other ranges are available for larger workpieces.