Draper 33-Piece Screwdriver Bit Set An essential set for a multitude of everyday DIY, this Draper set includes a magnetic bit holder and 32 bits, all stored in a hardwearing storage case which opens up for easy access. Each bit is made of chrome vanadium steel hardened and tempered with a shot blast finish. The bit holder is made of zinc alloy steel with a chrome-plated finish. Includes magnetic bit holder, 8 x plain slot bits, 19 x PZ-type bits, 2 x TX-Star bits, 3 x hexagonal bits