General description The Blue Spot Tools 3 Piece 1/2' Alloy Wheel Impact Sockets set includes three essential sizes: 17mm, 19mm, and 21mm. These sockets are designed for use with impact wrenches, making them ideal for removing and installing wheel nuts on vehicles. Crafted from high-quality alloy steel, they offer durability and strength for heavy-duty applications. Technical specifications Socket sizes: 17mm, 19mm, 21mm Drive size: 1/2 inch Material: Alloy steel Usage These impact sockets are specifically designed for automotive applications, particularly for changing tires and working on wheel assemblies. They can be used with any standard 1/2 inch drive impact wrench.