Compliment your tool collection with RYOBI Diamond Grit Coated Technology. The 6 PC. 2 in. Diamond Grit Impact Drive Bits offer a premium driving solution. Diamond Grit hardens tip for improved durability and 20X longer life. Diamond Grit holds tight to fastener for pre-driving control and 2X stronger grip. Diamond Grit also improves fit and grabs fastener while driving for less stripped screws. The included belt clip provides portability and convenience This set includes Diamond Grit PH Bits: (6) PH2.