Stanley 62-502, FatMax 11 Piece Screwdriver Set Ergonomically designed tri-lobular handle provides more torque than traditional-style screwdrivers for less effort. High strength polypropylene handle has textured rubber grip for comfort. Magnetic tips help secure grip on fasteners. Color-coded handles for easy tip identification. Chrome plated bars resist corrosion. Bars are fully ground and polished. Bars are made of alloy steel and heat treated for strength and durability. Shot blasted black oxide tips provide a more precise fit and a textured surface, which provides increased grip and less cam-out when in use. Tip identification symbol molded onto side of handle makes tip identification easy.