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Proto 3G-OTH-305438 — Technical Specifications

Name: Proto 3G-OTH-305438 PROTO Socket Bit: 3/8 in Drive Size, Hex Tip, 8 mm Tip Size, 1 25/32 in Overall Lg, Fixed Insert (MPN J4990-8MST). Key specifications — attr1204765: Fixed Insert; attr1204767: PROTO.
Brand: Proto

The PROTO J4990-8MST is a hex bit socket with a 3/8 in drive size and a fixed insert design. It features an 8 mm hex tip and a 1 25/32 in overall length, manufactured by PROTO.

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Technical Specifications

Parameter	Value
Type	Hex Tip, Fixed Insert
Tip Size	8 mm
Overall Lg	1 25/32 in
Manufacturer Part Number	J4990-8MST