Tether Ready Insulated Screwdriver Set, #0, #1, #2, #4, 1/4 in, 1/8 in, 3/16 in, 3/18 in, 5/16 in, ECX, Phillips, Slotted, Ergonomic, Number of Pieces 3, Yes, ESD Safe No, Non-Sparking No, Measurement Type SAE, Includes Slotted 1/4 in x 6 in , Phillips #2x4 in , ECX(TM) #1x4 in , Yes, ASTM F1505-10, CSA, IEC EN DIN 60900, NFPA70E, OSHA, UL Listed, Tether Ready Yes, Range of Shank Lengths 4 in to 6 in