Premium Material: Our screw extractor is made of high speed steel, with high hardness, high wear resistance and high heat resistance, it is a good helper for removing screws broken. Complete set: 10 drilling tools, 5 screw extractors of different sizes (sizes EX-1, EX-2, EX-3, EX-4, EX-5) and 5 cobalt drill bits of different sizes (sizes 5/64", 7/64", 5/32", 1/4", 19/64". 6 cm), matches your working needs. Professional ToolsThis drill bit set has unique spiral flutes, increase the strength and rigidity of the tool, drill a hole with a drill, then use the extractor to remove the broken screw, relieve your stress a lot. Compact Size: Our industrial tools have a small size and lightweight design, easy to operate and operate.With a stylish black metal box, they can be easily and neatly stored in the box, easy to carry. Wide ApplicationsSuitable for manual drilling rigs, hand electric rigs, drilling and milling machines. For Allen screws, hex bolts, machine screws, wood screws, sheet metal screws and other screws. Product Description Product Description: The Brynnl Screw Extraction Kit. It is high quality, durable, easy to use and store. It is an ideal tool for removing damaged screws. Features: 1. High quality high speed steel, high temperature resistant. 2. Lightweight and compact design, easy to use, carry and store. 3. Spiral structure, aggressive spiral design for better grip. 4. Easily remove broken screws, bolts and studs. 5. Ideal for drilling metal, wood and plastic etc. Features: Item name: screw extractor. Material: steel rapid + metal case. Weight: 0.311 kg. Dimensions: Metal case: 23.5 x 10.5 x 2 cm. Cobalt left-hand bits: 5/64", 7/64", 5/32", 1/4", 19/64" Screw extractors: EX-1, EX-2, EX-3, EX-4, EX-5. Contents: 5 spiral screw extractors. 5 drill bits. 1 metal index case.