Features 1、Made of extra‑hard S2 alloy steel, with hardness up to 58‑60, durable and long service life 2、The surface is of blue treatment, one‑piece forged shape workmanship, anti‑rust and durable 3、With bit chamfer design, 12‑points screwdriver bit, high accuracy, not easy to slip when operating. 4、With a humanized inner wall buckle design, anti‑skid, which can make sure the connecting 5、The one head is 12‑points screwdriver bit and the other one is 1/2in square socket, can meet differernt needs Specification Item Type: Screwdriver Bit Socket Length: Approx. 55mm / 2.2in Material: S2 alloy steel Surface Treatment: Bluish Specification: M14 Bottom Square Diameter: 1/2 inch Package List 1 x Socket