12 Piece hardened Torx bit set. T10 to T40. Designed to be highly resistant to fracture and breakage. 25mm in length. 1/4in. Hex drive. Manufactured to DIN 3126 standards, Typ łba = Torx, Typ = Końcówka uchwytu, Rozmiar = T10, T15 (2), T20 (2), T25 (2), T