<p>1. The package includes 13 pieces of multi-spline screw extractors. And the size is 1\/8Inch, 5\/32Inch, 3\/16Inch, 7\/32Inch, 1\/4Inch, 9\/32Inch, 5\/16Inch,11\/32Inch, 3\/8Inch, 13\/32Inch, 7\/16Inch, 15\/32Inch, 1\/2Inch</p> <p>2. [Main Function] This screw extractor kit is used for removing broken studs\/pipes and screws. This kit can help you efficiently remove the toughest broken fasteners.</p> <p>3. [Alloy Steel Material] This screw extractor is made of premium alloy steel material, which has high hardness, rust-proof, reliable and to use.</p> <p>4. [Left-Handed Helical Design] Our screw extractor adopts powerful multi-tooth and a left-handed helical design for extra holding power and faster threading speeds. Helical grooves insert into itself to increase grip and reduce drag.</p> <p>Please note:There is a slight color difference or difference in kind, it does not affect the use, please do not mind, thank you!</p> <p>Colour:Black</p> <p>Material:steel</p> <p>Package Contents:</p> <p>13 * Screw Extractor Kit</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>