Trend SNAP/PH123 Hexagon Bits (3) Phillips 123 TRESNAPPH123 High grade tool steel screwdriver bits, hardened for ultimate wear resistance.The Bits have 1/4in A/F Hex shanks to fit the quick chuck.Set of 3 Bits.Sizes.1 Phillips No.1.1 Phillips No.2.1 Phillips No.3. TRESNAPPH123