Performance Tool"s 6-piece screwdriver setcontains all the popular sizes foryour general fastening jobs. Includes: - Standard slotted blade: 3/16 x 3, 1/4 x 4, 5/16 x 6 - Phillips: #1 x 3, #2 x 4, #3 x 6 Oversized comfort grips for more turning power Heavy-duty heat treated alloy steelblades Plated shafts for corrosion resistance End-marked handles for quick tip identification