Klein Tools 646-7/16M 7/16-Inch Magnetic Tip Nut Driver 6-Inch Shaft Subcategory:Screwdrivers and Nut Drivers The hollow shaft is ideal

The hollow shaft is ideal when working on stacked circuit boards or other long bolt applications

Adjustable Screwdriver includes 1/4-Inch and 5/16-Inch nut drivers with 12 driver bits conveniently housed in the handle

Corrosion-resistant anodized aluminum barrel

Type (DX Concrete & Masonry) : Dust Extraction Attachment Kit

Automatically re-threads to the next larger size if threads are stripped

Klein Tools 646-7/16M 7/16-Inch Magnetic Tip Nut Driver 6-Inch Shaft Subcategory:Screwdrivers and Nut Drivers The hollow shaft is idealThis Klein Tools 7 16 Inch Nut Driver features an exclusive hollow shaft design with a Rare Earth magnetic tip for unobstructed pass through, even on long bolts. It also comes with Klein's patented Tip Ident, a color coded marking on the handle end to help quickly identify the nut driver orientation and size. Additionally, a Cushion Grip handle allows for greater torque and comfort. Exclusive hollow shaft design with Rare Earth magnetic tip features