1、Specification: This tap socket has a standard square design, with M12 specification and 1/2 inch drive, connected to national standard machine tap, suitable for electric, pneumatic or hand wrenches. 2、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. 3、Secure Locking: The spring loaded brake ball system locks the tap socket in place, effectively preventing it from loosening or falling during operation, greatly improving the stability and security. 4、Safe Operation: The tap socket has rounded design for safe operation. Reduce wear and increase torsion of fasteners by applying force on the fastener wall instead of the fastener corners. 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.