This impact screwdriver set includes an impact driver with a 1/2" Sq. Dr. end and a range of 8mm hex screwdriver bits. Ideal for removing over tightened or seized screws. Equipped with a heavy-duty internal mechanism, the driver is designed for sustaining impact from a mallet. It has a blackened finish for corrosion protection. The durable impact absorbing handle is knurled to provide extra grip. Overall tool length 162mm. The screwdriver bits are made from chrome vanadium steel. Supplied in a sturdy blow moulded storage case.