Screwdriver/Nut Driver, Steel Handle Material, Yellow/Black, #1, #2 (Phillips Bits);1/4 In (6.4 MM), 3/16 In (4.8 MM) (Slotted Bits); Tip Size, 5/16 In Nut Driver Bits;#1 & #2 Phillips Bits and 9/32 In & 3/16 In Slotted Screwdriver Bits Tip Style, 7.75 In Overall Length, 5/16 In Drive Size, 4 In Shank Length, 0.48 LB