Kincrome Micro Impact Driver Set 1/4" Drive 10 Piece ID3300The Kincrome Micro Impact Screwdriver Set is designed specifically for effective fastening and loosening of rusted, damaged or stripped fasteners in light duty applications, such as smaller fasteners used on a car or motorbike. It does this by applying a strong, sudden rotational force coupled with forward thrust when struck with a hammer to 'shock' fasteners loose and prevent the tip from camming out of the fastener. Unlike other Impact Screwdrivers