Features 1、Specification and Use: Provides 6-1/4 inch and 1/4-1/2 inch adjustable tap sockets, the small size for M3-M6 taps, large size for M8-M12 taps; Suitable for narrow workshops and areas with limited space 2、Adjustable Jaws: Featuring adjustable jaws design, this tap socket can firmly grip the tap, prevent slipping, and ensure stable operating even in narrow spaces, providing convenience and ease of use 3、Square Adapter: Provide a 3/8 inch square drive adapter that offers flexibility and convenience, compatible with any 3/8 inch drive hand or power tool, providing versatility and ease of use in various applications 4、Wide Application: This tap socket set can be applied in conjunction with existing wrench and is specifically designed for tapping, reaming, screw extraction tasks, and thread machining, maximizing efficiency 5、Sturdy and Practical: These tap sockets are made of cr molybdenum steel, has high strength, wear and erosion resisting, suitable for various scenes, including engineers, construction workers, repairmen, etc Specification Item Type: Tap Socket Set Material: Cr Molybdenum Steel Specification: 6-1/4 Inch, 1/4-1/2 Inch Drive: 3/8 Inch Square Application: Small size for M3-M6 taps, large size for M8-M12 taps Package List 2 x Tap Sockets 1 x Square Adapter 1 x Plastic Box