Features 1、Screw Extractor: Allows for free application on extracting lug nuts, screws and bolts, very practical. 2、Various Sizes: Including 10pcs removing socket in different sizes to meet your various work needs. 3、Easier Removing: With square bayonet slot and strong torsion, the easy removing has no slipping. 4、Extra Durability: Through quenching treatment, the chrome vanadium steel is durable and rustproof. 5、Red Storage Box: The red storage box will store all the tool in an orderly way to simplify carrying. Specification Item Type: Screw Extractor Material: Chrome Vanadium Steel Application: Broken Nut Extractor Surface Treatment: Quenching Treatment Colour: Black Socket Size: Approx. 9mm / 0.4in 10mm / 0.4in 11mm / 0.4in 12mm / 0.5in 13mm / 0.5in 14mm / 0.6in 15mm / 0.6in 16mm / 0.6in 17mm / 0.7in 19mm / 0.7in Square Bayonet Slot Size: 3/8in Package List 10 x Screw Extractor 1 x Percussion Bar 1 x Red Storage Box