Channellock 1/2 in. Drive 21mm 6-Point Shallow Metric Socket features a color band that denotes SAE/Metric measurement for easy identification, making your work more efficient. The socket is designed with a textured band for greater gripping power, ensuring a secure hold during use. Its 6-point design more surface area, reducing the chances of slipping off or rounding over corners. Crafted from durable chrome vanadium steel, this socket is built to last and comes with a lifetime warranty for your peace of mind. Model Number: