PROTO, Industrial Tools

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Proto® Satin Obstruction Box Wrenches - 12 Point

Features and benefits

  • Satin chrome finish provides corrosion resistance and a slip resistant grip.
  • Made of forged steel then heat-treated.
  • Curved half-moon shape helps improve access to hidden, difficult to reach locations.
  • 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.


Point Size 12
Unit of Measure Fractional
Specification ASME ASME B107.100
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ITEM #: Finish Size [in] Outside Head Width 1 [in] Outside Head Width 2 [in] Overall Length [in] Weight [Lbs]
J1725 Satin 7/16 x 1/2 5/8 5/8 5-3/4 0.17 Add to Wish list Add to Set Buy Now
J1730 Satin 9/16 x 5/8 25/32 25/32 6-5/8 0.23 Add to Wish list Add to Set Buy Now
J1731 Satin 5/8 x 3/4 27/32 27/32 7-1/4 0.39 Add to Wish list Add to Set Buy Now