REMOVE DAMAGED FASTENERS WITH EASE: The Performance Tool W2964 5 pc. Spiral Power Extractor is designed to remove damaged, frozen, or rusted fasteners from wood, plastic, or metal, and is ideal for use with softer metals. UNIVERSAL FIT FOR CORDLESS DRILLS: Featuring a 1/4-Inch hex shank, this extractor set is compatible with all corded and cordless drill drivers with 1/4-Inch hex or standard drill bit chucks. TWO-WAY USE FOR MAXIMUM VERSATILITY: Use the extractor in reverse to drive it into the damaged fastener, then switch the drill into forward mode to back out any right-hand threaded fastener. WORKS WITH ALL SCREW HEAD STYLES: Whether you're dealing with hex, Phillips, star, square, straight, s-lobe, or completely broken screw heads, this extractor set can help you get the job done. VARIETY OF SIZES INCLUDED: With five different sizes of spirals included (#1: 1/8-1/4-Inch, #2: 1/4-5/16-Inch, #3: 5/16-7/16-Inch, #4: 7/16-9/16-Inch, and #5: 9/16-3/4-Inch), you'll have the right tool for any job.