Attributes . Screwdriver/Nut Driver, Steel Handle Material, Yellow/Black (Handle), #1, #2 (Phillips Bits);1/4 in (6.4 mm), 3/16 in (4.8 mm)(Slotted Bits);#1, #2(Square Bits);T10, T15(Torx(R) Bits) Tip Size, Phillips Tip Style, 7.75 in Overall Length, 5/16 in;1/4 in Drive Size, 4 in Shank Length, 0.50 lb . Names