Klein Tools Pro Impact Driver Bit Set - 5/16-Inch 3 Pack and 1/4-Inch 3 Pack Nut Drivers

This Klein Tools impact driver bit bundle includes two sets of durable, long-lasting power nut drivers for electricians. The first set contains 3 5/16-inch hex nut drivers made from S2 steel to withstand high torque impact drivers. The second set has 3 1/4-inch nut drivers with the same S2 steel construction. Both sets feature optimized hex pockets to maximize nut gripping and rare earth magnets to securely hold fasteners while working in tight spaces. With different nut driver sizes that meet ASME color coding standards for easy ID, this bundle provides versatile, heavy-duty bits to handle a wide range of jobs.

• Includes 3, 5/16-inch and 3, 1/4-inch pro impact power nut drivers made with S2 steel for maximum life
• Longer bit design reaches easily into junction boxes and panels
• Minimal chamfering increases surface contact between nut and driver
• Color coded with ASME standard for easy size identification
• Compatible with standard 1/4-inch hex shank impact drivers