ACDelco ANI405 1/2-inch Impact Wrench Pneumatic Tool， 500 ft-lbs， TWIN HAMMER<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>HARD HITTING TWIN HAMMER mechanism to easily fasten and remove</li><li>LIGHTWEIGHT and durable aluminum alloy housing</li><li>500 ft.-lb. maximum torque</li><li>7，000 RPM of Free Speed</li><li>Forward: 3 speeds; Reverse: 1 speed</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41TfkhH4m4L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41jaI2%2BXc8L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41S-G0LF5CL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51%2B7nlVV6FL.jpg" noproxy>