The Klein ToolsMagnetic Nut Driver Set features 7 pieces of the most popular nut driver sizes and is perfect for a wide variety of applications. These nut drivers have magnetic tips and full hollow shafts that slide easily over long bolts or studs. Klein's patented Tip-Ident helps quickly identify the nut driver and size in a tool bag or pouch. The Klein Tools Magnetic Nut Driver Set features 7 pieces of the most popular nut driver sizes and is perfect for a wide variety of applications. These nut drivers have magnetic tips and full hollow shafts that slide easily over long bolts or studs. Klein's patented Tip-Ident helps quickly identify the nut driver and size in a tool bag or pouch. Nut Drivers' full hollow shaft designed with Rare-Earth magnetic tips facilitate work on long bolt applications Tool Set contains Nut Driver Cat. Nos.: 630-3/16M, 630-1/4M, 630-5/16M, 630-11/32M, 630-3/8M, 630-7/16M, 630-1/2M Cushion-Grip™ handles allow for greater torque and comfort and internal flanges provide solid, twist-resistant shaft anchor The Klein Tools Magnetic Nut Driver Set features 7 pieces of the most popular nut driver sizes and is perfect for a wide variety of applications. These nut drivers have magnetic tips and full hollow shafts that slide easily over long bolts or studs. Klein's patented Tip-Ident helps quickly identify the nut driver and size in a tool bag or pouch.