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Proto 3G-OTH-294889 — Technical Specifications

Name: Proto 3G-OTH-294889 PROTO Impact Socket: 3/8 in Drive Size, Metric, 21 mm Socket Size, 6-Point, Deep, Black Oxide (MPN J7021M). Key specifications — attr1215501: PROTO; attr1215515: Black Oxide; attr1215518: 21 mm.
Brand: Proto

The PROTO J7021M is a 3/8" Drive Impact Socket, a metric deep socket with a 21 mm socket size and 6-point configuration. It features a Black Oxide finish and is manufactured by PROTO.

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Technical Specifications

Parameter	Value
Type	Metric, 6-Point, Deep, Black Oxide
Socket Size	21 mm
Manufacturer Part Number	J7021M