The MEGAPRO Stainless Steel Screwdriver has a stainless steel shaft and features electroless nickel plated bits for hardness and exceptional corrosion and wear resistance. It is ideal for the outdoor environment, including boating, camping, hiking, 4 wheeling, etc. The Stainless Steel Screwdriver contains 7 double bits with the 14 most popular tips for driving screws. The shaft opening serves as a 1/4 hex driver. 151SS STAINLESS STEEL