Klein Tools 4-Piece Cushion-Grip Nut Driver Set 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.

Klein Tool Model No. 633

• 3'' (76 mm) hollow shafts make it possible to work on stacked circuit boards or other long bolt applications
• Set contains 630-1/4, 630-5/16, 630-3/8 and 630-9/16 w/4" hollow shaft 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
• Internal flanges provide solid, twist-resistant shaft anchor
• Cushion-Grip handles for superior torque and comfort