Hi-Spec magnetic screwdriver bit set in a 50-79 piece package. Bits are made of chrome-vanadium steel and cover a wide range of screw heads - TORX, HEX, Phillips, Pozidriv, slotted, spanner, triangle, tri-wing, H-type, S-type and Y-type. The set is magnetic, dismountable and multifunctional, supplied without a handle, and is customizable.