The Ryobi RAK32DDMIX Mixed Drilling and Screwdriving Bit Set includes the key drill bit set and screwdriving bits you need for your everyday DIY tasks. Including HSS and Masonry bits, this set is great for drilling through tough materials such as concrete and metal. This set includes 32 pieces: 13 x 25mm Screwdriver Bits (PH1, PH2, PH3, PZ1, PZ2 x2, PZ3, TX15, TX20, TX25 x2, TX30, TX40), 1 x 60mm Bit holder, 5 x Masonry Drill Bits (5, 5.5, 6, 7, 8mm), 6 x HSS-G Drill Bits (2, 2.5, 3, 4, 5, 6mm), 5 x Brad Points (3, 4, 5, 6, 8mm), and 2 x Nut Drivers (10, 13mm). Compatible with Drill Drivers and Percussion Drills. The plastic box allows the user to keep bits organized and accessible.