User-Friendly Design: Featuring a labor-saving air impact design and an auxiliary handle, our impact wrench gun is easy to use, while the 1" Square drive offers added convenience during operation. Complete Package: The package includes a 1-1/2" (38mm) and a 1-5/8" (41mm) socket, a 1/2" NPT air inlet, and an easy to operate internal hexagonal wrench, ensuring that you have everything you need for your repair tasks.