Proto Tool J1100SPL 7 Piece 1/4" - 1" Box Wrench Set

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Item Number:PROJ1100SPL
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Proto Tool J1100SPL 7 Piece 1/4" - 1" Box Wrench Set

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The J1100SPL includes:

  • 1x 1/4 x 5/16 Box End Wrench
  • 1x 3/8 x 7/16 Box End Wrench
  • 1x 1/2 x 9/16 Box End Wrench
  • 1x 9/16 x 5/8 Box End Wrench
  • 1x 11/16 x 3/4 Box End Wrench
  • 1x 13/16 x 15/16 Box End Wrench
  • 1x 7/8 x 1" Box End Wrench
  • 1x Storage Pouch


  • Full polish finish provides corrosion resistance and easy to clean surfaces
  • 12 point box end allows for fine indexing, helping to improve speed and access. Fits 4, 6 and 12 point fasteners
  • Box ends incorporate the TorquePlus system

The box end of Proto wrenches incorporate the TorquePlus wrenching system. The TorquePlus design is a high performance drive configuration which allows for quick and easy wrench engagement to the fastener flats, not the corners. The configuration employs a radius-corner design, shifting contact area and stresses over a large area of the wrench, minimizing slippage. The internal design of the TorquePlus minimizes fastener rounding, helps to extend fastener life, and allows the user to more easily turnworn, rounded, or rusted fasteners.

Tech Specs:

  • Brand: Proto
  • Model: J1100SPL
  • MPN: J1100SPL
  • UPC: 662679115128
  • Type: Box Wrench Set
  • Package Qty.: 7pc Set

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