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Klein Tools 32940 Magnetic Hollow Impact Nut Driver Set, 6-Piece SAE

$39.98 (Price correct as of 10/31/2026 05:15 PDT · Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)

The Klein Tools 32940 is a 6-piece SAE magnetic hollow impact nut driver set with 5-inch shafts and six hex sizes from 1/4 to 9/16 inch. It is impact-rated and uses rare-earth magnets to help hold fasteners in place. Check the SAE size range and hollow shaft design against your fasteners and work area.

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Quick Summary

The Klein Tools 32940 is a 6-piece SAE magnetic hollow impact nut driver set. It includes six hex sizes: 1/4, 5/16, 3/8, 7/16, 1/2, and 9/16 inch. The 5-inch shafts provide extended reach, and the hollow design helps when working with threaded fasteners.

Key Details

Detail Product information and buyer relevance
Brand Klein Tools, the brand named for this nut driver set.
Model 32940.
Product type Magnetic hollow impact nut driver set.
Pack size 6 pieces.
Drive sizes 1/4, 5/16, 3/8, 7/16, 1/2, and 9/16 inch SAE sizes.
Shaft length 5-inch shafts for added reach.
Magnetic feature Rare-earth magnets are stated to help hold fasteners in place.
Impact rating Impact-rated for demanding driving tasks.

What to Compare Before Buying

  • Size range: Compare the six SAE sizes with the fasteners you work with most often.
  • Hollow shaft design: Check whether you need clearance for threaded fasteners or long bolts.
  • Shaft length: The 5-inch shafts affect how far the driver can reach into recessed areas.
  • Pack quantity: This set includes 6 pieces, so confirm that the size spread matches your needs.
  • Impact-rated use: If you plan to use an impact driver, make sure this type of nut driver matches your tool and task.

Before You Decide

Confirm the SAE size range, the hollow shaft design, and the 6-piece set format before choosing an offer. The 5-inch shafts and magnetic holding feature are the main distinguishing details to compare against your fastener sizes and working space.

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