Attributes . PH1, PH2, PH3, PH4 Phillips? Tip, SL 1/8 in., SL 5/32 in, SL 3/16 in, SL 1/4 in, SL 9/32 in Slotted Tip, T7, T8, T9, T10, T15, T20, T25, T27, T30, T40 Torx? Tip, SQ0, SQ1, SQ2, SQ3 Square Tip, 1/8 in, 5/32 in, 3/16 in, 1/4 in, 4 mm, 5 mm, 6 mm Hex Tip . Names