Feature:1. FAST AND EFFICIENT: The tap sockets are ideal for tight workshops and space constrained areas, allowing for quick and easy work, very efficient2. CONVENIENT AND PRACTICAL: This tap extractor is an indispensable tool in your screw extraction plan. Designed to work with all 3/8in square hand or power tool uses, providing greater flexibility and convenience3. APPLICABLE SCENARIO: The tap socket adapter can be used with existing wrenches and is specifically designed for use with tap, reamer, screw extractor and other square handle tools4. MULTIPLE FUNCTIONS: Suitable for tapping and threading, tap extractor is an all in one tool for pulling out screws and bolts, useful and practical5. TECHNICAL PARAMETERS: Tap sockets small for M3M6 tap, large for M8M12 tap, use with square wrench or power tool, provide great convenience for your workSpecification:Item Type: Tap SocketsMaterial: HascromeSize: 6-1/4in, 1/4in-1/2in Application Range: Small size for M3-M6 taps, large size for M8-M12 taps.Package List:2 x Tap Sockets