When you have frozen, rusted, or broken screws to break loose, there's no substitute for the Powerbuilt 7-Piece Mini Impact Driver and Extractor Set. The compact design is ideal for tight spaces, precise control, and smaller screws. Just load the appropriate slotted or Philips bits on stuck screws or the correct-sized extractor bit on broken fasteners. Place the driver on the screw and then strike it with a hammer. The spring-loaded driver turns 20 degrees when struck. Simple and very effective! Precision-built and affordable, Perfect for handling stuck screws in tight places, smaller broken screws, and other stubborn fasteners. The ¼-inch bits come in their own plastic carry rail to help keep them organized. Powerbuilt products meet or exceed ANSI standards.