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Proto 3G-OTH-284780 — Technical Specifications

Name: Proto 3G-OTH-284780 PROTO Open End Wrench: Alloy Steel, Black Oxide, 3/8 in_5/16 in Head Size, 5 1/4 in Overall Lg, Std (MPN J3020B). Key specifications — attr309776: No; attr309781: Black Oxide; attr309780: Alloy Steel; attr324939: PROTO.
Brand: Proto

The PROTO J3020B is a double-end, open-end SAE wrench made from alloy steel with a black oxide finish. It features 3/8 in and 5/16 in head sizes and a 5 1/4 in overall length.

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Technical Specifications

Parameter	Value
Type	Black Oxide, 3/8 in_5/16 in Head Size, Std
Overall Lg	5 1/4 in
Manufacturer Part Number	J3020B