– Super value 6PCS pack – Bits set includes 3PCS step drill bits for a total of 29 sizes holes as well as HSS 3,6,8mm saw drill bits – Made of high speed steel with titanium coating to protect the drill bits from corrosion, rust – Two-flute design with X-type opening design to facilitate the removal of cutting waste when drilling to keep the drill bit clean for a faster and smoother cutting – Widely Application: The step drill bits can be used to chamfer, bur, and drill or enlarge holes – The step drill bits are suitable for thin wood, metal, plastic plates pull grooving. – Easy to store set includes a sturdy blow molded organizing case for secure storage and easy carrying.