3. Convenient Use: The tapered male square driver and chamfered female square driver quickly align the socket with the fastener, with slim design that allows for easy entry into narrow space. 4. Excellent Steel: The square tap socket is made of Carbon Steel, with black phosphating finish, has high strength, impact resistance, no deformation, and long service life. 1. Tap Socket Set: Includes 9 pieces tap sockets, with M6, M8, M10, , M14, , M20, M22, and M24 specification, to meet different tapping needs, and have a wide range of applications. 2. Specifications: These tap sockets have a standard square port design, with 1/2 inch drive, connected to national standard machine tap, suitable for electric, pneumatic or hand wrenches. 5. Clear Marking: With fine processing, this tap socket features etched marking that provide high contrast, making it easy to read even in low light conditions, reducing operational errors., Weight: 1.06262810284 Pounds, Manufacturer: Wesafrae