Features 1、DURABLE MATERIAL: Screw extractor is made of excellent alloy steel material, possess high hardness, high stability, wear resistant, and durable 2、FOR USE: This screw extractor kit is designed to remove stuck, damaged, broken studs, bolts, hex screws and missing screws from fittings or heads 3、WEAR RESISTANT THREAD DESIGN: Accurate machining and accurate heat treatment of threads, come with high hardness, good thread performance 4、EASY TO OPERATE: Screw extractor is designed for high torsion output without expansion to prevent breakage or clogging. Easily drill, turn and pull out damaged fasteners or bolts 5、APPLICABLE SCENARIO: Screw extractor tool is suitable for domestic or industrial use, suitable for use in difficult to reach and narrow areas, very practical Specification Item Type: Screw Extractor Material: Alloy steel Size: 7/8in, 27/32in, 13/16in, 25/32in, 3/4in, 23/32in, 11/16in, 21/32in, 5/8in, 19/32in, 9/16in, 15/32in, 17/32in, 1/2in, 7/16in, 3/8in, 13/32in, 11/32in, 5/16in, 1/4in, 9/32in, 7/32in, 3/16in, 5/32in, 1/8in Use: For removing broken screws, tap screws, water pipe screws Package List 25 x Screw Extractor 1 x Connecting Rod 1 x Storage Box