Klein Tools 633 Nut Driver Set is a 4-Piece Cushion-Grip™ Tool Set that contains the type of nut drivers professionals carry most often. Each nut driver features a full hollow shaft which is great for work on stacked circuit boards or other long bolt applications. They also feature Klein's patented Cushion-Grip™ handle which provides greater torque and comfort.

• Nut Drivers' full hollow shafts make it possible to work on stacked circuit boards or other long bolt applications
• Tool Set contains 630-1/4, 630-5/16, 630-3/8 and 630-9/16 nut drivers
• 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
• Shafts are chrome-plated for smooth feel and corrosion resistance and internal flanges provide solid, twist-resistant shaft anchor
• Made in USA
• Cushion-Grip™ handles for superior torque and comfort