Powerbuilt 648510 Screw Extractor Set - 5 Piece Made to be the most reliable tools in the market today Tool solutions for most all situations Built to exceed tool standards Remove broken studs, screws and bolts Alloy steel extractor Long, tapered tips and fluted edges for positive engagements Includes 1/8 inch, 3/16 inch, 5/16 inch and 3/8 inch sizes Includes plastic storage box