Pratt-Read 82005B Super Stubby Slotted and Phillips Screwdriver Set, 4-Piece 100% Made in USA Heat treated alloy steel blades are zinc plated for corrosion resistance Tips are manufactured to tight tolerances for sure and accurate fastener fit Ergonomic and accurately sized 4 flute handle design for comfort and maximum turning power Rugged, impact and chemical resistant cellulose acetate handle