Product Description * Bit: Drop-forged, Heat-treated S2 alloy steel, durable to use with its high hardness (58-60 HRC). * Drive Sockets: Heat-treated Chrome Vanadium Steel, hardened to increased torque power. * Blue plated finish for complete rust and corrosion resistance. * Chamfered edges to ensure a smooth fit and protection for both your bit ends as well as your fasteners. * Great for use with breaker bars, ratchet handles and torque wrenches. * The socket bit is for hand tools only. * Triple Square fasteners are mostly common on Cylinder head bolts, Retaining Bolts, Drive train components, Door hardware, Disc brake calipers, and other applications. Specifications: * Size: T55 * Drive Size: 1/2-inch * Total Length: 55mm / 2-inch * Bit Length: 16mm / 0.63-inch * Material: S2 Steel & Cr-V * Finish: Blue plated * Color: Blue Package Content: * 2 x Torx Bit Sockets