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PROTO Socket Extension Set: 3/8 in Input Drive Size, 3/8 in Output Drive Size - Impact Socket Extension Sets
PROTOImpact Socket Extension Sets

PROTO Socket Extension Set: 3/8 in Input Drive Size, 3/8 in Output Drive Size

The PROTO Socket Extension Set (MPN J7277A) is an impact socket extension set with a 3/8 in input drive size and a 3/8 in output drive size. It features a black oxide finish and does not include a locking mechanism.

SKU 3G-OTH-405867

Brand
PROTO
Item
Socket Extension Set: 3/8 in Input Drive Size, 3/8 in Output Drive Size
Category
Impact Socket Extension Sets
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Technical Specifications

PROTO
Manufacturer Part Number
J7277A
Type
Black Oxide, Std
Output Drive Size
3/8 in
View Full Spec Sheet

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PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PROTO Socket Extension Set (MPN J7277A) is an impact socket extension set with a 3/8 in input drive size and a 3/8 in output drive size. It features a black oxide finish and does not include a locking mechanism.

Used in

Common applications for PROTO
Automotive assembly — PROTO J72102 impact socket set for fastening lug nuts on production lines
Heavy equipment maintenance — PROTO J3772T flare nut wrench for hydraulic line fittings on excavators
General industrial repair — PROTO J795SA adjustable wrench set for tightening bolts on conveyor systems
Aerospace manufacturing — PROTO J5240A slotted bit socket for adjusting fasteners in confined spaces
Oil and gas pipeline work — PROTO J5438 12-point socket for valve assembly in refineries
Construction site toolkits — PROTO J8179-T500 double box wrench for structural steel bolting

PROTO Products

3G Electric supplies PROTO impact socket extension sets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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PROTO Impact Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 6 in Overall Lg (MPN J7206L). Key specifications — attr1204876: Locking Included; attr1204887: PROTO; attr1204888: Black Oxide.
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PROTO Impact Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 6 in Overall Lg (MPN J7206L). Key specifications — attr1204876: Locking Included; attr1204887: PROTO; attr1204888: Black Oxide.
PROTO Impact Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 12 in Overall Lg (MPN J7212L). Key specifications — attr1204876: Locking Included; attr1204887: PROTO; attr1204888: Black Oxide.
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PROTO Impact Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 12 in Overall Lg (MPN J7212L). Key specifications — attr1204876: Locking Included; attr1204887: PROTO; attr1204888: Black Oxide.
PROTO Impact Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 3 in Overall Lg (MPN J7203L). Key specifications — attr1204876: Locking Included; attr1204887: PROTO; attr1204888: Black Oxide.
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PROTO Impact Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 3 in Overall Lg (MPN J7203L). Key specifications — attr1204876: Locking Included; attr1204887: PROTO; attr1204888: Black Oxide.
PROTO Socket Extension Set: 3/8 in Input Drive Size, 3/8 in Output Drive Size, Full Polish, Std (MPN J52008). Key specifications — attr1204978: Not Insulated; attr1204980: Locking Not Included; attr1204984: PROTO; attr1204970: Full Polish.
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PROTO Socket Extension Set: 3/8 in Input Drive Size, 3/8 in Output Drive Size, Full Polish, Std (MPN J52008). Key specifications — attr1204978: Not Insulated; attr1204980: Locking Not Included; attr1204984: PROTO; attr1204970: Full Polish.
PROTO Impact Socket Extension: 1/2 in Input Drive Size, 1/2 in Output Drive Size, 3 in Overall Lg (MPN J7503). Key specifications — attr1204876: Locking Included; attr1204887: PROTO; attr1204888: Black Oxide.
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PROTO Impact Socket Extension: 1/2 in Input Drive Size, 1/2 in Output Drive Size, 3 in Overall Lg (MPN J7503). Key specifications — attr1204876: Locking Included; attr1204887: PROTO; attr1204888: Black Oxide.
PROTO Impact Socket Set: 1/2 in Drive Size, Small Set (0-50 pieces) Set Size, 30 Pieces, Black Oxide (MPN J74306). Key specifications — attr1204251: PROTO; attr1215453: 1/2 in; attr1215454: 8 mm to 24 mm.
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PROTO Impact Socket Set: 1/2 in Drive Size, Small Set (0-50 pieces) Set Size, 30 Pieces, Black Oxide (MPN J74306). Key specifications — attr1204251: PROTO; attr1215453: 1/2 in; attr1215454: 8 mm to 24 mm.

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PROTO Socket Extension Set: 3/8 in Input Drive Size, 3/8 in Output Drive Size, Black Oxide, Std (MPN J7277L). Key specifications — attr1204876: Locking Included; attr1204887: PROTO; attr1204888: Black Oxide.
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PROTO Socket Extension Set: 3/8 in Input Drive Size, 3/8 in Output Drive Size, Black Oxide, Std (MPN J7277L). Key specifications — attr1204876: Locking Included; attr1204887: PROTO; attr1204888: Black Oxide.
PROTO Socket Extension Set: 1/2 in Input Drive Size, 1/2 in Output Drive Size, Black Oxide, Std (MPN J7515). Key specifications — attr1204876: Locking Included; attr1204887: PROTO; attr1204888: Black Oxide.
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PROTO Socket Extension Set: 1/2 in Input Drive Size, 1/2 in Output Drive Size, Black Oxide, Std (MPN J7515). Key specifications — attr1204876: Locking Included; attr1204887: PROTO; attr1204888: Black Oxide.
PROTO Socket Extension Set: 1/2 in Input Drive Size, 1/2 in Output Drive Size, Black Oxide, Std (MPN J7515A). Key specifications — attr1204876: Locking Included; attr1204887: PROTO; attr1204888: Black Oxide.
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PROTO Socket Extension Set: 1/2 in Input Drive Size, 1/2 in Output Drive Size, Black Oxide, Std (MPN J7515A). Key specifications — attr1204876: Locking Included; attr1204887: PROTO; attr1204888: Black Oxide.