Wiha 76099 Power Blade 37-Piece Set Set includes slotted, Phillips, square, Pozidriv, security Torx, security hex inch, inch nut setters blades in compact case Premium 1/4" drive blades are 90mm/3.5" long Made of Wiha premium cvm tool steel that is Hardened and tempered for longest performance Precision CNC machined for exact fit Professional quality made by Wiha