Features: Broken And Stripped Screws: This 6pcs professional screw extractor tool is made from H.S.S. 4341#, which is durable and stronger enough to covers a wide range of broken bolt heads, such as Cross, Slot, Torx, Square, Hex, Torx. Wide Compatibility: Works with almost all drill, bolt and screw. Ideal for stripped screws, machine screws,lag bolts,wood screws,hex bolts,sheet metal screws. Material: Made of high speed steel, the screw extractor is practical and durable, has long service life Color: There are silver, gold two colors for you to choose, must one for you Package: Our package come with 6pcs screw extractor in different size, meet your different needs Specification Material: High speed steel Color: Silver, gold Length: About 51mm/2inch Head size(Diameter): About 6-12mm/0.24-0.47inch, 5-10mm/0.2-0.39inch, 4-8mm/0.16-0.3inch, 3-5mm/0.12-0.2inch, 2-3mm/0.08-0.12inch, 6.2mm/0.24inch, 4mm/0.16inch, 3.4mm/0.13inch, 2.8mm/0.11inch, 1.9mm/0.07inch Package included: 6pcs x Screw extractor