Each set of Mohs taper gauges includes one Mohs taper plug gauge and one Mohs taper sleeve gauge. The ordinary precision Mohs cone gauge is suitable for checking the correctness of tool cone holes and cylindrical handles. The high-precision Mohs cone gauge is suitable for checking the taper of spindles and holes in machine tools and instruments. The Mohs cone gauge is generally made of alloy steel, and the working surface is finely polished. The surface smoothness of the plug gauge is Ra0.2; The surface smoothness of the gauge is Ra0.4. High precision Mohs cone gauges are all cold treated, with good stability, and can meet the requirements of Mohs cone interchangeability in the machine tool manufacturing industry. Mohs cone gauge is divided into 0; 1；2； 3；4； 5. Six seven specifications.