Features Efficient Spiral Cutting Design: Features spiral cutting teeth that ensure a positive grip for effortlessly removing round or damaged screws Durable 10-Piece Set: Includes 10 robust tools designed to effectively remove nuts, bolts, screw heads, and studs for versatile repair tasks Comprehensive Size Range: Compatible with sizes 9mm to 19mm, this set provides the right tool for various disassembly needs, enhancing your toolkit's versatility Enhanced Work Efficiency: Designed for use with electric metrics wrenches or sockets, these tools significantly speed up your repair and maintenance tasks High-Strength Construction: Crafted from chrome vanadium alloy steel, these tools offer exceptional strength and durability for long-lasting performance in demanding conditions Features: 1、Spiral Cutting Teeth: The spiral cutting teeth provide positive grip for removing round or damaged screws 2、Sturdy Tools: This is a set of 10 sturdy tools that can help remove nuts, bolts, screw heads, studs, etc 3、Suitable Sizes: The sizes are suitable for its disassembly are 9, 10, 11, 12, 13, 14, 15, 16, 17, and 19mm 4、Quick Working Tools: These tools can be used with electric metrics wrenches or sockets for improving your working efficiency 5、Chrome Vanadium Alloy Steel Material: Made of chrome vanadium alloy steel, has high strength and is very Specification: Item Type: Broken Nut Extractor Material: Chrome vanadium alloy steel Purpose: Screw remover Colour: Black Use Caliber: mm / in (Approx.)27mm / 1.1in Package List: 10 x Broken Nut Extractor Note: Please wear protective gear when removing the damaged nut to prevent the debris from splashing and hurting yourself. Package List 10 x Broken Nut Extractor