High speed steel material - Made of high-speed steel material, durable with long service lifeAccurate size - Precise manufacturing, accurate size, high machining accuracyHigh hardness - High hardness, not easy to carry, strong cutting forceApplication - These steel rods can be used as a craft tool or as a turning tool for iron, copper, aluminium, steel, etc. Different sizes - you can choose different sizes of steel strips as needed