Feature: The drill bit is made of high-quality high-speed steel and its surface is treated with titanium plating. It has high hardness, good wear resistance and long service life. It is equipped with exquisite boxes for easy carrying and preservation. Six different types of drill bits meet the needs of different tasks. Step drill can be used to drill large holes at one time without replacing the drill bit. The drill bit is made by precision machine with excellent workmanship. Spec:Material: HSSWeight: 572g / 20.2ozPackage list:5 * Step Drill Bit1 * Center drill bitNotice:The actual product color may deviate from the photo due to light.There may be a slight deviation in the measurement of product.