Features STAINLESS STEEL The scribe ruler is made of high quality stainless steel, which is wear-resistant and impact resistant, and has a long service life. MAIN PURPOSE: This parallel scribing ruler can be used to measure the outer diameter of different objects and accurately measure workpieces. Measuring range: the measuring range of the caliper is 0-300mm, with metric and inch units to meet different measuring requirements. Clear scales: with fine grinding and laser engraving, the caliper has a clear scale to ensure convenient reading with high accuracy. Carbide needle: equipped with a carbide needle, which can easily penetrate the workpiece, with high hardness and no deformation. Specification: Item Type:Vernier Caliper Measuring range: approx. 0-300 mm/0-11.8 inches. Reading Value: 0.05mm, 1/128" Process: fine grinding, laser marking Package list: 1 x caliper. 1 x carbide scribing head. 1 x leather case Package List 1 x Vernier Caliper 1 x Carbide Scribing Head 1 x Leather Case