Timco Impact Driver Bit Set Convenient pocket sized mixed set of 10 commonly used 25mm impact resistant bits with 1x 60mm impact magnetic bit holder. Formulated to absorb the torque peaks of highly powered impact tools. Newly developed heat treatment process for longevity and performance. Bit hardness is reduced at the body to withstand high loads. Black phosphate finish for enhanced corrosion resistance. Cordless: N Dimmer Switch: N Laser Guide: N Safety Catch: N Formulated to absorb the torque peaks of highly powered impact tools Newly developed heat treatment process for longevity and performance Bit hardness is reduced at the body to withstand high loads Black phosphate finish for enhanced corrosion resistance