1.1/2-inch drive, T55 torx size.2.Bits made of premium S2 alloy steel for superior hardness and great rust resistant.3.Chrome vanadium steel socket for high strength and superior torque.4.Notched drive ends fit any 1/2-inch drive ratchet or extension, preventing them from falling off.5.Wide application in DIY hand-making, household maintenance, and most general repairs.Specification:Product Name: Torx Bit SocketPackage Content: 1 x Torx Bit SocketMaterial: Chrome Vanadium Steel, S2 SteelColor: Brass Tone, Silver ToneWeight: 104gDriver Size: 1/2 InchBit Size: Torx T55Bit Length: 64mm / 2.52 InchTotal Length: 100mm / 4 Inch