Stanley Proto J1204SC Duratek Precision Combination Screwdriver Set, 4-Piece 4 piece precision combination screwdriver set Includes Philips round #1 by 3-inch screwdriver and Philips round #0 by 3-inch screwdriver Includes slotted cabinet round 3/16-inch by 3-inch screwdriver and slotted cabinet round 1/8-inch by 3-inch screwdriver Designed to meet demanding heavy-duty needs of industrial maintenance and assembly applications