The 5 piece screwdriver set this classic Craftsman screwdriver set is perfect for all of your needs. The Phillip blade tips are designed to ensure tighter tolerance and fit. Serrated, slotted tips provide excellent screw holding. The alloy steel blades are heat-treated for maximum strength and durability and coated with a satin-nickel finish to ensure a corrosion resistant tool. The chemical-resistant butyrate handle provides comfort along with grip even under the grimiest conditions which allows for the proper levels of torque for your needs.