1/2-inch drive, H14 hexagonal size. Bits made of premium S2 steel for superior hardness and great rust . Chrome vanadium steel socket for high strength and superior torque. Notched drive ends fit any 1/2-inch drive ratchet or extension, preventing them from falling off. Wide application in DIY hand-making, automotive repairs, household maintenance, and most general repairs. Product Name: Hex Bit Socket Material: Chrome Vanadium Steel, S2 Steel Color: photo color Weight: 155g Driver Size: 1/2 Inch Bit Size: Hex H14 (14mm) Bit Length: 64mm / 2.52 Inch Total Length: 100mm / 4 Inch Package Content: 1 x Fast socket wrench Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.