Klein Tools 646-3/16M 6 in. Shaft 3/16 in. Magnetic Nut Driver

Klein Tools Model: 646-3/16M
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Klein Tools 646-3/16M 6 in. Shaft 3/16 in. Magnetic Nut Driver Klein Tools Model: 646-3/16M
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Product Features & specs :

Klein Tools 646-3/16M 3/16-Inch Magnetic Nut Driver with 6-Inch Shaft and Cushion Grip Handle
  • Nut Driver's 6-Inch shaft with magnetic tip for long bolt work
  • 3/16-Inch hex driver is premium chrome-plated to resist corrosion
  • Black color-coded cushion grip handles offer easy identification
Klein Tools Lineman Coin Image

For more than 160 years, Klein Tools has manufactured premium-quality, professional-grade hand tools that deliver the performance, durability and precision needed to get the job done right. Our family of engineers, workers and craftsman continue to put six generations of expertise into every tool we create by using only the highest quality materials, superior workmanship, and keeping manufacturing as close to home as we can. Klein isn't just the name of our company, it's also our family name. And since we're an American company that's family-owned and family-run, you know you can count on us to be here tomorrow. Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day ... Since 1857.

Klein Tools 646-3/16M 6 in. Shaft 3/16 in. Magnetic Nut Driver


Get to those deeply recessed nuts and bolts with Klein's hollow shaft nut driver. The 6 in. full hollow shaft fits over long bolts and studs for most applications including stacked circuit boards. The exclusive full hollow shaft design with Rare-Earth 3/16 in. magnetic tip features unobstructed pass-through, even on long bolts.


  • Shaft design with Rare-Earth magnetic tip

  • Cushion-Grip handle allows for greater torque and comfort and handle dome is color coded for easy identification

  • Internal flanges provide solid, twist-resistant shaft anchor

  • Chrome plated shaft helps prevent corrosion

  • Made in USA

What’s Included:

  • 6 in. Shaft 3/16 in. Magnetic Nut Driver - 646-3/16M

No. of Pieces


Number of Tools




Max. Tip Size

3/16 in



Shank Length

6 in

Handle Type

Cushion Grip




9.75 in.


1 in.


1 in.


0.25 lbs.

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