This handy tool from Irwin is a must-have for any DIY enthusiast or professional mechanic. The 1/4" Hex to 1/2" Square Socket Extender Adapter is perfect for those hard-to-reach places and allows you to easily convert your impact driver into a socket wrench. With a durable construction and compatibility with a variety of socket types, this set is sure to make your automotive or hand tool projects a breeze. The set includes the extension and adapter, making it a great value for all of your socket and wrench needs.