The Irwin 10502251 HSS Pro Drill bits come in a bulk pack of 10. These drill bits are manufactured from high-quality HSS steel. They feature precision ground cutting edges for fast drilling and a perfect finish, a ground flute for maximum accuracy and fast chip removal, and a universal 118-point shape suitable for drilling a wide selection of materials. This specific variant has a drill bit diameter of 2.0mm, a total length of 49mm, and a working length of 24mm.