Got a broken fastener stuck deep in a hole? Retrieve it fast with this screw extractor set. Perfect for removing broken studs, screws or bolts, each screw extractor has a left-hand spiral blade that grips the screw and holds onto it as you remove the extractor. Set includes 3/16-1/4", 1/4"-5/16", 5/16"-7/16", 7/16"-9/16", 9/16"-3/4", 3/4"-1" size blades in a convenient plastic storage tray.Any automotive specialty tool makes an automotive repair or maintenance task easier, but Powerbuilt takes the concept of ‘help’ a big step further. Every package comes with professionally written usage instructions and photos that take you step by step through proper tool usage.Dependable Powerbuilt specialty tools offer power, precision and style. They meet or exceed applicable ANSI standards and have a lifetime warranty, all at affordable prices. Left hand spiral blade grips screw for easy removal. 6 Piece Screw Extractor Set