HIGH QUALITY - Screw extractor set is of high quality High-Speed Steel. High hardness, durable, can prolong the service life, enhance wear resistance and remove chippings clearly.Designed to easily remove broken studs, bolts, socket screws, and fittings. This screw extractors for convenient and easily removes the broken screws, bolts and studs set from the workpiece by using the left hand drill bit which coordinates with the screw extractor. Spiral groove on screw extractor can go deep into screw to increase grip force to remove studs, screws and bolts around the house, garage or on your job project. DIY ESSENTIAL CONVENIENCE TOOLS - Tools screw extractors or easy outs are designed to remove broken studs, bolts, socket screws and fittings. Suitable for Hex bolts, machine screws, lag bolts, wood screws, hex bolts, sheet metal screws and other screws. UNIQUE DESIGN - The 118°angle makes it easier to cut into the workpiece with small axial resistance. This design can not only increase the length of cutting edge work but also decrease the nominal thickness of cutting layer, which improves heat dissipation and durability with better cutting effect. PRODUCT INCLUDING - Spiral flute screw extractors sizes EX-1, EX-2, EX-3, EX-4, EX-5; drill bit sizes 5/64inch, 7/64inch, 5/32inch, 1/4inch, 19/64inch, and a metal index case, convenient to use and carry. Weight: Approx. 320g Packing size: 14x11x2cm Material:High speed steel colour:As Shown Package Contents: 5 x Drill Bits 5 x Screw Extractors