High-quality screwdriver bits for precision and standard head types. The set includes 20 precision bits, 20 standard bits, and two magnetic handles for securely holding the bits. The precision screwdriver bit set provides bits for most screws, including precision screwdriver bits with special head types. All head types are color-coded to make it easier for you to select the required bit. The set is stored in a sturdy Pick and Click case with a transparent lid.