1FAST AND EFFICIENT: The tap sockets are ideal for tight workshops and space constrained areas, allowing for quick and easy work, very efficient 2CONVENIENT 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 convenience 3APPLICABLE 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 tools 4MULTIPLE FUNCTIONS: Suitable for tapping and threading, tap extractor is an all in one tool for pulling out screws and bolts, useful and practical 5TECHNICAL PARAMETERS: Tap sockets small for M3M6 tap, large for M8M12 tap, use with square wrench or power tool, provide great convenience for your work 2 x Tap Sockets