Faithfull professional 1/4in Hex Drive Impact Screwdriver Bits are specifically designed for use in high torque impact drivers. Made from a unique material that is engineered for extreme durability, these bits have an increased working life compared with conventional screwdriver bits. These Impact bits are designed to distribute impacts evenly, preventing energy waste for succesful screw driving. They incorporate torsion areas to absorb torque peaks and to reduce stress at the bit tip during heavy loading. All bits feature a precision-machined tip to provide an optimum fit, assisting in preventing screw stripping and cam-out.