Features [Versatile Tap Socket] This adjustable tap socket has a specification of 1/4 to 1/2 inch and is suitable for M8 to M12 taps, offering flexibility in handling different sizes of taps. [3/8 Square Drive] Featuring 3/8 inch square drive, this adjustable tap socket can be used with all 3/8 inch square manual or power tools, providing convenience and ease of use. [Suitable for Tight Places] Ideal for narrow workshops and confined spaces, allows for quick and efficient work completion, making it a practical tool for tight working environments. [Multi Functional Tool] Can be used in conjunction with existing wrenches, specifically designed for taps, reamers, screw extractors, and other square handle tools. [Efficient Thread Processing] Suitable for thread tapping and machining, this tap socket serves as a versatile tool that combines screw and bolt extraction assistance. Specification: Item Type: Tap Socket Material: Cr Mo Steel Specification: 1/4in-1/2in Application: for M8-M12 Taps Square Inner Diameter: 3.8 Inch How to Use: Connect to square wrench or power tool for use. Package List: 1 x Tap Socket Package List 1 x Tap Socket