High quality screwdrivers ideal for hobbyists, technicians, mechanics and do-it-yourselfers. Also used by jewelers, watchmakers, instrument makers, subminiature parts assemblers and model makers. There are five different screwdriver blades included in this set: four tempered steel straight blades and one No. 0 crosspoint blade. The screwdriver bodies are nickel plated with swivel heads. Keep you set organized by using the injection molded plastic case which is included.