The 25pcs screw extractor is designed to remove seized, damaged, broken studs, bolts, socket screws and fittings, or screws with missing heads. This set includes 25 Specifications to satisfy your working needs, and each extractor has engraved inch sizes, you can easily identify and select the most suitable size. The entire set is packed in a plastics box for easy storage and convenient transportation, you can take it wherever you want. Features: Premium Material: It is made of fine quality alloy steel material, with high hardness and high stability, wear resistance and long durability. Utility Tool: This set is designed to remove seized, damaged, broken studs, bolts, socket screws and fittings, or screws with missing heads. Easy to Use: Engineered for high torque output without expansion to prevents breaking or jamming. Easily drill, turn, and extract broken fasteners or bolts for home or industrial use, and suitble for use in hard to reach and tight areas. Abrasion-proof Thread Design: Precisely machined and accurately heat treated thread with high hardness for nice threading performance. Easy Identification: This set includes 25 Specifications to satisfy your working needs, and each extractor has engraved inch sizes, you can easily identify and select the most suitable size.? Exquisite Packaging: The entire set is packed in a plastics box for easy storage and convenient transportation, you can take it wherever you want. Specifications: Name: Screw Extractor Set Material: alloy steel Package size: 250 * 160 * 56mm / 9.84 * 6.30 * 2.20in Package weight: 1900g / 4.19lb Packing List: 1 * Screw Extractor Set