Robust Industrial Application 1.Top-grade digital vernier caliper - stainless steel, heavy-duty, sturdy and durable, measuring range: 0-150 mm / 0- 6 inches. 2. Measurement accuracy: ± 0.02mm /± 0.001in. The resolution is 0.0005 inches /0.01 millimeters - This caliper measuring tool can freely use inch and millimeter unit switches. 3. Four different measurements of digital vernier calipers: external, internal, depth and step size; The digital vernier caliper is equipped with one button battery (inside the product). 4. Simple and comfortable use - The caliper is equipped with a large LCD screen. Besides an automatic off function, at the return moment, you can touch any button or move the thumb wheel. 5. An ideal digital caliper measuring tool for many projects - woodworking, mechanical work, amateurs, DIY projects, automotive mechanics and various other professionals., Manufacturer: SOYWIM