Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
PROTO Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 8 in Overall Lg - 3/8" Drive Hand Socket Extensions
PROTO3/8" Drive Hand Socket Extensions

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

The PROTO J5261L is a 3/8" drive hand socket extension with a 3/8" input and output drive size and an 8-inch overall length. It features a chrome finish, is not insulated, and includes a locking mechanism. This…

SKU 3G-OTH-319437

Brand
PROTO
Item
Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 8 in Overall Lg
Category
3/8" Drive Hand Socket Extensions
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

PROTO
Manufacturer Part Number
J5261L
Type
Chrome
Overall Lg
8 in
Output Drive Size
3/8 in
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The PROTO J5261L is a 3/8" drive hand socket extension with a 3/8" input and output drive size and an 8-inch overall length. It features a chrome finish, is not insulated, and includes a locking mechanism. This PROTO-branded extension is designed for industrial socket-driving applications.

Frequently Asked Questions

What is the PROTO J5261L socket extension used for?

The PROTO J5261L is a 3/8" drive hand socket extension used to extend the reach of a socket wrench in industrial fastening applications. Its 8-inch length and locking mechanism provide secure engagement with sockets, making it suitable for automotive repair, machinery maintenance, and assembly work.

What are the specifications of the PROTO J5261L socket extension?

The PROTO J5261L has a 3/8-inch input and output drive size, an 8-inch overall length, and a chrome finish. It is not insulated and includes a locking feature. The manufacturer part number is J5261L, and it is designed for hand-driven socket applications in industrial settings.

Where to buy the PROTO J5261L socket extension worldwide?

You can source the PROTO J5261L socket extension through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this PROTO-branded extension.

How to select the right PROTO socket extension for your application?

To select the right PROTO socket extension, match the drive size (e.g., 3/8 inch) to your ratchet and sockets. Consider length for reach, locking mechanism for secure socket retention, and finish for corrosion resistance. The J5261L offers an 8-inch chrome extension with locking, ideal for general industrial use.

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 3/8" drive hand socket extensions. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
PROTO Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 6 in Overall Lg, Chrome (MPN J5260-06). Key specifications — attr1204978: Not Insulated; attr1204980: Locking Not Included; attr1204984: PROTO; attr1204970: Chrome.
PROTO
PROTO Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 6 in Overall Lg, Chrome (MPN J5260-06). Key specifications — attr1204978: Not Insulated; attr1204980: Locking Not Included; attr1204984: PROTO; attr1204970: Chrome.
PROTO Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 17 3/16 in Overall Lg (MPN J5263). Key specifications — attr1204978: Not Insulated; attr1204980: Locking Not Included; attr1204984: PROTO; attr1204970: Chrome.
PROTO
PROTO Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 17 3/16 in Overall Lg (MPN J5263). Key specifications — attr1204978: Not Insulated; attr1204980: Locking Not Included; attr1204984: PROTO; attr1204970: Chrome.
PROTO Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 6 in Overall Lg, Chrome (MPN J5260-06L). Key specifications — attr1204978: Not Insulated; attr1204980: Locking Included; attr1204984: PROTO; attr1204970: Chrome.
PROTO
PROTO Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 6 in Overall Lg, Chrome (MPN J5260-06L). Key specifications — attr1204978: Not Insulated; attr1204980: Locking Included; attr1204984: PROTO; attr1204970: Chrome.
PROTO Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 12 in Overall Lg, Chrome (MPN J5262L). Key specifications — attr1204978: Not Insulated; attr1204980: Locking Included; attr1204984: PROTO; attr1204970: Chrome.
PROTO
PROTO Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 12 in Overall Lg, Chrome (MPN J5262L). Key specifications — attr1204978: Not Insulated; attr1204980: Locking Included; attr1204984: PROTO; attr1204970: Chrome.
PROTO Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 6 in Overall Lg, Std (MPN J5260-06B). Key specifications — attr1204978: Not Insulated; attr1204980: Locking Not Included; attr1204984: PROTO; attr1204970: Black Oxide.
PROTO
PROTO Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 6 in Overall Lg, Std (MPN J5260-06B). Key specifications — attr1204978: Not Insulated; attr1204980: Locking Not Included; attr1204984: PROTO; attr1204970: Black Oxide.
PROTO Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 1 3/4 in Overall Lg, Std (MPN J5259B). Key specifications — attr1204978: Not Insulated; attr1204980: Locking Not Included; attr1204984: PROTO; attr1204970: Black Oxide.
PROTO
PROTO Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 1 3/4 in Overall Lg, Std (MPN J5259B). Key specifications — attr1204978: Not Insulated; attr1204980: Locking Not Included; attr1204984: PROTO; attr1204970: Black Oxide.

More from PROTO

View all PROTO parts →
PROTO Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 1 3/4 in Overall Lg, Std (MPN J5259). Key specifications — attr1204978: Not Insulated; attr1204980: Locking Not Included; attr1204984: PROTO; attr1204970: Chrome.
PROTO
PROTO Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 1 3/4 in Overall Lg, Std (MPN J5259). Key specifications — attr1204978: Not Insulated; attr1204980: Locking Not Included; attr1204984: PROTO; attr1204970: Chrome.
PROTO Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 3 in Overall Lg, Std (MPN J5260B). Key specifications — attr1204978: Not Insulated; attr1204980: Locking Not Included; attr1204984: PROTO; attr1204970: Black Oxide.
PROTO
PROTO Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 3 in Overall Lg, Std (MPN J5260B). Key specifications — attr1204978: Not Insulated; attr1204980: Locking Not Included; attr1204984: PROTO; attr1204970: Black Oxide.
PROTO Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 8 in Overall Lg, Chrome (MPN J5261). Key specifications — attr1204978: Not Insulated; attr1204980: Locking Not Included; attr1204984: PROTO; attr1204970: Chrome.
PROTO
PROTO Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 8 in Overall Lg, Chrome (MPN J5261). Key specifications — attr1204978: Not Insulated; attr1204980: Locking Not Included; attr1204984: PROTO; attr1204970: Chrome.
PROTO Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 12 in Overall Lg, Chrome (MPN J5262). Key specifications — attr1204978: Not Insulated; attr1204980: Locking Not Included; attr1204984: PROTO; attr1204970: Chrome.
PROTO
PROTO Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 12 in Overall Lg, Chrome (MPN J5262). Key specifications — attr1204978: Not Insulated; attr1204980: Locking Not Included; attr1204984: PROTO; attr1204970: Chrome.
PROTO Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 3 in Overall Lg, Chrome (MPN J5260-03L). Key specifications — attr1204978: Not Insulated; attr1204980: Locking Included; attr1204984: PROTO; attr1204970: Chrome.
PROTO
PROTO Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 3 in Overall Lg, Chrome (MPN J5260-03L). Key specifications — attr1204978: Not Insulated; attr1204980: Locking Included; attr1204984: PROTO; attr1204970: Chrome.
PROTO Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 12 in Overall Lg, Std (MPN J5262B). Key specifications — attr1204978: Not Insulated; attr1204980: Locking Not Included; attr1204984: PROTO; attr1204970: Black Oxide.
PROTO
PROTO Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 12 in Overall Lg, Std (MPN J5262B). Key specifications — attr1204978: Not Insulated; attr1204980: Locking Not Included; attr1204984: PROTO; attr1204970: Black Oxide.
PROTO Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 8 in Overall Lg, Std (MPN J5261B). Key specifications — attr1204978: Not Insulated; attr1204980: Locking Not Included; attr1204984: PROTO; attr1204970: Black Oxide.
PROTO
PROTO Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 8 in Overall Lg, Std (MPN J5261B). Key specifications — attr1204978: Not Insulated; attr1204980: Locking Not Included; attr1204984: PROTO; attr1204970: Black Oxide.
PROTO Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 3 in Overall Lg, Chrome (MPN J5260). Key specifications — attr1204978: Not Insulated; attr1204980: Locking Not Included; attr1204984: PROTO; attr1204970: Chrome.
PROTO
PROTO Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 3 in Overall Lg, Chrome (MPN J5260). Key specifications — attr1204978: Not Insulated; attr1204980: Locking Not Included; attr1204984: PROTO; attr1204970: Chrome.