uxcell 2 Pcs 3 8" Drive x 4mm Hex Bit Socket Standard Metric S2 Cr-V Steel

* Bits made of premium S2 alloy steel for superior hardness and great rust resistant. * Chrome vanadium steel socket for high strength and superior torque. * Notched drive ends fit any 3/8-inch drive ratchet or extension, preventing them from falling off. * Its chamfered end easily slides into fasteners, reducing wear. * Wide application in DIY hand-making, automotive repairs, household maintenance, and most general repairs. Specifications: * Size: H4 (4mm) * Drive Size: 3/8-inch * Total Length: 48mm / 1.89-inch * Bit Material: S2 Steel * Socket Material: Chrome Vanadium Steel * Finish: Chrome Plated * HRC: 58-62 Package Content: * 2 x Hex Bit Sockets