This is a heavy-duty impact screwdriver set in a convenient metal case.
Impact screwdrivers are perfect for tightening screws, or loosening stripped, rusted or stuck screws.
Place the tip of the screwdriver in the screw, grip the handle and rotate in the target direction, and strike the handle with a hammer to make the tip rotate the screw with force.
The handle has a rubber o-ring to protect your fingers from missed hammer strikes. Set includes 8mm and 6.35mm bit holders and six compatible screwdriver bits.