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3/8 in Drive Impact Socket Deep Socket, black oxide, Steel, 21 mm MPN:J7021M

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In Stock
Brand: Proto
Part #: J7021M
UPC: 662679330972
SKU
510-G7516686
$69.96 for Order Qty of 4
Regular Price $24.49 Special Price $17.49

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3/8 in Drive Impact Socket Deep Socket, black oxide, Steel, 21 mm

Proto 6 Point Impact Sockets are designed for tackling stubborn or damaged fasteners, and those made from soft materials. The TorquePlus design allows for quick and easy socket engagement, minimizing slippage and reducing fastener rounding. This results in extended fastener life and easier turning of worn, rounded, or rusted fasteners. Suitable for use on a variety of applications, including automotive, industrial, and construction projects. The sockets' durable steel construction and black oxide finish ensure long-lasting performance. Size is stamped on the tool for easy identification, and a side locking hole provides added security.

Top product features:

  • The TorquePlus design is a high performance drive configuration which allows for quick and easy socket engagement to the fastener flats, not the corners.
  • The TorquePlus internal design minimizes fastener rounding, helps to extend fastener life, and allows the user to more easily turn worn, rounded, or rusted fasteners.
  • Size is stamped on the tool for easy identification.

Top product applications:

  • Stubborn or damaged fasteners
  • Fasteners made from soft materials
  • Worn, rounded, or rusted fasteners

Proto® 6 Point Impact Sockets are ideal for use on stubborn or damaged fasteners, and also on fasteners made from soft materials
The TorquePlus™ design is a high performance drive configuration which allows for quick and easy socket engagement to the fastener flats, not the corners
The TorquePlus™ configuration employs a radius-corner design, shifting contact area and stress away from the fastener corners and distributing contact stresses over a large area of the socket, minimizing slippage

Additional Features:

  • - The TorquePlus™ internal design minimizes fastener rounding, helps to extend fastener life, and allows the user to more easily turn worn, rounded, or rusted fasteners
  • - Size stamped on tool for easy identification
  • - Side locking hole


Additional Information

  • Country of Origin: US
  • Drop Ship Item: No
  • Blind Ship Eligible: No
  • LTL Freight Required: No
  • Lead Time: Ships in 1 days
  • Minimum Order Quantity: 1
  • Unit of Measure: EA
  • Package Length: 2.80
  • Package Width: 1.20
  • Package Height: 1.20
  • Package Weight: 0.35
Product info last updated on February 27, 2026 1:21am UTC Category: Hand Tools
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In stock