This universal joint features a 12.7 mm (1/2 inch) connection size and a compact length of 4.3 mm, providing enhanced flexibility for socket spanner applications. It enables access to fasteners at challenging angles, ensuring efficient torque transmission in confined spaces. Key features: - Connection size: 12.7 mm (1/2 inch) - Length: 4.3 mm - Wrench width: 45 mm - Compatible with T45 TORX sockets - Ideal for professional mechanical and automotive use