Ryobi Drill and Driver Bit Set (195-Piece) RYOBI 195-Piece Drilling and Driving Kit offers an assortment of bits to cover a variety of drilling and driving applications on wood, plastic, metal, and masonry. This kit includes Phillips, slotted, hex, square and TORX bits, and also comes with eight differently sized nut drivers. The included magnetic bit holder ensures a secure hold on 1 in. bits, while the socket adapters are intended for use with your existing socket sets. This drilling and driving kit includes 1/2” Black Oxide Drill Bit with 3/8” reduced shank.