The Westward 54PR01 Socket Extension Set, 1/2" Drive, 18" L. is a must-have for your toolbox. It features an all-steel construction that makes it durable and reliable for use in tough environments. The socket extension set has a 1/2" drive with a male square output drive type. It comes with 18" long extensions that are made of alloy steel to give you the durability you need for everyday use. The chrome finish offers corrosion resistance so that your tools will last longer. With its professional quality and great performance, this Westward 54PR01 Socket Extension Set is perfect for any job around the house or garage.