KR Tools Power Driver Bit Set, Screwdriver Drill Bits with Magnetic Bit Holder, 71111 Pro Series 34-Piece Kit Includes a large assortment of 32 chrome vanadium driver bits, 1 stainless steel magnetic bit holder and 1 lightweight and compact PVC 2-piece storage case Versatile set includes several common driver types in a variety of sizes: 15 Phillips bits, 6 Allen bits, 6 Star bits and 5 Slot bits Stainless steel magnetic bit holder makes swapping out bits easy; No tightening or loosening the chunk to change bits Compatible with corded and cordless electric power drills and screw guns Compact storage case keeps the bits secure and organized and won't take up much room in a tool box or tool bag; Red color makes the case easy to spot