[Quality Material] The screw extractors are made of strong and durable high hardness carbon steel, which ensures long-lasting performance and corrosion resistance, more durable and wear-resistant. [Straight Flute Design] Our screw extractor set is designed with straight fluted edges, square shape for easy grip and rotation, making the extraction process easy and comfortable, providing a reliable and fast solution for extracting broken or damaged bolts. [Easy to use] Simply choose the appropriate size screw remover of the bolt extracting kit to drill a notch size hole and then use the removal tool to easily remove the broken screw or bolt. [Wide range of uses] This set of bolt extractor can be widely used to remove damaged screws, studs and bolts of various sizes and types, and can also be used for automotive, home or building repairs. [Necessary Tools] Whether you are a professional or an amateur, you can keep this set of easy out removal tools at home in case of emergency. Designed to handle tough jobs, our screw extractor kits are made of rugged carbon steel to easily extract stubborn bolts. 5 different sizes of screw extractors to handle metric M4-18 or inch 3/16Inch to 5/8Inch studs, covering most screw sizes, to help solve the problem of damaged studs. Colour:As Shown Material:Metal Package Contents: 5 * Fluted Screw Extractor Only the above package content, other products are not included. 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.