Special bits with 1/4 Inch drive made from chrome vanadium steel S2 for security screws, 33-piece set in flexible plastic box. Bit length 25 mm. Hardness: 60 HRC, Typ łba = Dokręcacz, Torx z otworem, sześciokątny RibeCS, Torq Set, Tri-Wing, Typ = Wiertło,