Klein Tools 646-5/16M 5/16-Inch Hex Magnetic Tip Nut Driver with 6-Inch Hollow Shank，5/16-Inch Tip<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Cushion-Grip handle for greater torque and comfort</li><li>Full hollow shaft that facilitates work on stacked circuit boards or other long bolt applications</li><li>Internal flanges provide solid， twist-resistant shaft anchor</li><li>Premium chrome-plated for smooth feel and corrosion resistance</li><li>Hex Size: 3/4-Inch; Overall Length: 9-3/4-Inch; Shank Length: 6-Inch</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31s4gbm4h-L.jpg" noproxy>