J3020B
Proto® Black Oxide Open-End Wrench - 5/16" x 3/8"
J3020B

Proto® Black Oxide Open-End Wrench - 5/16" x 3/8"

  • Non-reflective black oxide finish for use where non-plated products are required
  • 15° angle heads
  • Special heat-treated alloy steel permits slim shanks for strength and durability
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Additional Features

  • Standard open end configuration
SKU Product Name Purchase
J3070B Proto® Black Oxide Open End Wrenches
J3050B Proto® Black Oxide Open End Wrenches
J3035B Proto® Black Oxide Open-End Wrench - 11/16" x 3/4"
J3030B Proto® Black Oxide Open End Wrenches
J3045B Proto® Black Oxide Open End Wrenches
J3039B Proto® Black Oxide Open-End Wrench - 3/4" x 7/8"
J3026B Proto® Black Oxide Open End Wrenches
J3055B Proto® Black Oxide Open-End Wrench - 1-1/4" x 1-5/16"
J3060B Proto® Black Oxide Open End Wrenches
J3021B Proto® Black Oxide Open-End Wrench - 3/8" x 7/16"
J3020B Proto® Black Oxide Open-End Wrench - 5/16" x 3/8"
J3025B Proto® Black Oxide Open End Wrenches
J3040B Proto® Black Oxide Open End Wrenches

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