1. Product details\n Fine polished, smooth surface.\n Laser engraving, clear scale.\n Removable carbide needle.\n Metric and inch scales can meet your different needs.\n The accuracy is 0.05mm and 1/128\"", which make measurement results more accurate.\n There is a stop screw at the end of the caliper to prevent the caliper from falling off due to excessive adjustment of the caliper.\n 2. Wide range of applications\n Accurately measure and score workpieces. \n Measure the outer diameter of various objects.\n 3. Warm reminder\n The knob rotates smoothly, and the knob is close to the workpiece to draw parallel lines, making it easier and more accurate.\n It is not possible to measure the inside diameter of objects.\nMaterial: Stainless steel, delicately polished, smooth and durable.\nCarbide scriber / needle can easily scribe on various surfaces, you will receive 2 pcs needles (one is mounted on the caliper and the other is in the bag).\nLaser engraving, clear scale, easier and more acc.