Features Flexible Operation: The universal socket has a movable head and supports a maximum tilt of 25 degrees, free rotation, convenient and flexible. Metal Structure: The socket is made of chrome vanadium alloy steel, overall quenching heat treatment, with high hardness and large torsion. Easy Installation: One end of the socket is square shank, which can be directly connected to the electric wrench for use, stable and reliable. Applicable Scenes: Applicable to the installation and use of photovoltaic power station, for automobile repair, machinery, home repair, etc. For Narrow Area: The electric wrench socket has sufficient length, suitable for operation in narrow space, with a wide range of applications. Specification: Item Type: Universal Socket Material: Chrome Vanadium Steel Socket Head Inner Diameter: Approx. 13mm / 0.5in Common model and size applicable to photovoltaic power station Package List: 1 x Universal Socket Package List 1 x Universal Socket