1、High Accuracy Concentric Shaft: The positioning head has straight concentricity, which is not easy to shake when used, not easy to slip and wear, and more durable. 2、Magnetic: Screwdriver with micro magnetic, adsorption of small screws work more efficiently, rust proof and durable life long. 3、Chrome Vanadium Steel: The positioning bit is made of chrome vanadium steel, which is durable, hard and long lasting. 4、Easy to Use: Our chrome vanadium steel positioning bits have an overall magnetized finish and hex shank for easier clamping. 5、Wide Applications: The positioning bits are suitable for common hand drills, lithium ion drills, bench drills and electric wrenches in the market. Item Type: Magnetic Screwdriver Bit Material: Chrome vanadium steel Use: Applicable to the common hand drill, lithium drill, table drill, electric wrench on the market Size: Approx. 50mm / 2in 5 x Magnetic Screwdriver Bit