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Proto 3G-OTH-317861 — Technical Specifications

Name: Proto 3G-OTH-317861 PROTO Socket: Metric, 1/2 in Drive Size, 21 mm Socket Size, 12-Point, Std, Chrome, Socket (MPN J5421M). Key specifications — attr1204417: PROTO; attr1204392: Chrome.
Brand: Proto

The PROTO Socket: Metric is a 1/2" Drive Hand Socket, model J5421M, featuring a 21 mm, 12-point standard socket size in a chrome finish. This industrial-grade socket is designed for professional use in metric fastening applications.

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Technical Specifications

Parameter	Value
Type	12-Point, Std, Chrome, Socket
Drive Size	1/2 in
Socket Size	21 mm
Manufacturer Part Number	J5421M