Features Excellent Steel: The square tap socket is made of excellent Cr molybdenum steel, with black phosphating finish, has high strength, impact resistance, no deformation, and long service life. 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. Tap Socket Set: Includes 9 pieces tap sockets, with M6, M8, M10, M12, M14, M18, M20, M22, and M24 specification, to meet different tapping needs, and have a wide range of applications. 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. 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. Spec: Item Type: Tap Socket Set Material: Cr Molybdenum Steel Specification: M6, M8, M10, M12, M14, M18, M20, M22, M24 Product Use: Connect to National Machine Tap Application: For Electric, Pneumatic, or Hand Wrench Package List: 9 x Square Tap Sockets Package List 9 x Square Tap Sockets