The Klein Tools 7-Piece Magnetic Nut Driver Set features 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. Features: Full hollow shaft designed with Rare Earth magnetic tip facilitate work on long bolt applications; Set contains Cat. No: 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; Tip-Ident® quickly identifies nut driver hex orientation and size by color coding the handle ends so you can easily engage the nut driver with the fastener; Internal flanges provide solid, twist-resistant shaft anchor; 3/16-Inch does not have hollow shaft; 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; Made in USA; Nut Drivers' full hollow shaft designed with Rare-Earth magnetic tips facilitate work on long bolt applications; Cushion-Grip™ handles allow for greater torque and comfort and internal flanges provide solid, twist-resistant shaft anchor - Warnings: Always wear approved eye protection.; NOT insulated. Will NOT protect against electrical shock. - Replaced By Products: 630316M; 63014M; 630516M; 6301132M; 63038M; 630716M; 63012M