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3G Electric
PROTO J5259 3/8" Drive Hand Socket Extension, 1 3/4" Overall Length - 3/8" Drive Hand Socket Extensions
PROTO3/8" Drive Hand Socket Extensions

PROTO J5259 3/8" Drive Hand Socket Extension, 1 3/4" Overall Length

<p>The PROTO J5259 is a 3/8" drive hand socket extension with a standard type and an overall length of 1 3/4 inches. This extension is designed for professional use, providing reliable performance in tight spaces…

SKU 3G-OTH-319423

Also listed as: J 5259 · J-5259

Brand
PROTO
Item
J5259 3/8" Drive Hand Socket Extension, 1 3/4" Overall Length
Part Number
J5259
Category
3/8" Drive Hand Socket Extensions
Available to Order
Also known as:J5259PROTO
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

PROTO
Manufacturer Part Number
J5259
Type
Std
Overall Lg
1 3/4 in
Output Drive Size
3/8 in

Technical Documents

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

Product Description

<p>The PROTO J5259 is a 3/8" drive hand socket extension with a standard type and an overall length of 1 3/4 inches. This extension is designed for professional use, providing reliable performance in tight spaces where extra reach is needed. It is suitable for mechanics, technicians, and industrial maintenance teams.</p><p>As a Singapore-based supplier, 3G Electric offers this PROTO extension with convenient SGD quotes on request, GST handling for local buyers, and fast delivery across Singapore and Southeast Asia. Worldwide shipping is also available.</p>

Frequently Asked Questions

What is the overall length of the PROTO J5259 extension?

The PROTO J5259 has an overall length of 1 3/4 inches.

What drive size does the PROTO J5259 have?

It has a 3/8 inch drive size.

Used in

Common applications for PROTO
Industrial maintenance — PROTO J6014CXCERT micrometer torque wrench for tightening fasteners to 50–250 ft-lb with tether capability.
Assembly operations — PROTO J6345A electronic torque wrench for 5–50 ft-lb control with audible and visual indicators.
Plumbing and mechanical — PROTO J812HD straight pipe wrench with 2 in jaw capacity for gripping and turning pipes.
Precision fastening — PROTO J61929 multi-bit screw and nut driver kit with 26 alloy steel bits for assembly and maintenance.
Tool organization — PROTO JUC3743-3SG heavy-duty utility cart with drawers, power strip, and padlock for shop floor use.
Metric fastener service — PROTO JSCVM-20SB 20-piece ratcheting combination wrench set covering 6 mm to 32 mm.
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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.

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More from PROTO

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This 3/8" drive hand socket extension has a 3/8" input and output drive size with a 17 3/16" overall length. It is constructed from chrome and is not insulated. Used to extend the reach of a ratchet or torque wrench when turning fasteners in applications where access to recessed bolts or nuts is limited
PROTO
This 3/8" drive hand socket extension has a 3/8" input and output drive size with a 17 3/16" overall length. It is constructed from chrome and is not insulated. Used to extend the reach of a ratchet or torque wrench when turning fasteners in applications where access to recessed bolts or nuts is limited

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