HEAT TREATED CHROME NICKEL ALLOY STEEL MATERIAL; 7 PIECE(S); (7) TORX SET SET CONTENT; TORX DRIVE STYLE; (T10, T15, T20, T25, T27, T30, T40) TORX KEY SIZES; TORX[R] BRAND; BLADE LENGTH 2-1/8 TO 3 INCH; HANDLE LENGTH 4-1/4 INCH