PROTO Socket Extension: 3/8 in Input Drive Size, 3/8 in Output Drive Size, 1 3/4 in Overall Lg
The PROTO J5259B is a 3/8" Drive Hand Socket Extension with a 3/8" input and output drive size and a 1 3/4" overall length. It features a Black Oxide finish and is not insulated, with locking not included. This…
SKU 3G-OTH-319422
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The PROTO J5259B is a 3/8" Drive Hand Socket Extension with a 3/8" input and output drive size and a 1 3/4" overall length. It features a Black Oxide finish and is not insulated, with locking not included. This standard extension is manufactured by PROTO.
Frequently Asked Questions
What is the PROTO J5259B socket extension used for?
The PROTO J5259B is a 3/8" drive hand socket extension used to extend the reach of sockets in automotive, industrial, and mechanical applications. It connects a 3/8" drive ratchet or torque wrench to a socket, allowing access to recessed fasteners. Its standard length and Black Oxide finish provide durability in general maintenance and repair tasks.
What are the specifications of the PROTO J5259B socket extension?
The PROTO J5259B has a 3/8" input and output drive size, with a 1 3/4" overall length. It features a Black Oxide finish, is not insulated, and does not include locking. The manufacturer part number is J5259B. This standard extension is designed for manual drive tools and is not intended for electrical work.
Where to buy the PROTO J5259B socket extension worldwide?
You can source the PROTO J5259B 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. 3G Electric supplies genuine PROTO components for industrial maintenance and repair operations.
How to select the correct PROTO socket extension for my tools?
To select the correct PROTO socket extension, match the input and output drive size to your ratchet and socket—the J5259B uses 3/8" drive on both ends. Choose length based on fastener depth; 1 3/4" suits shallow recesses. Ensure the extension is not insulated for non-electrical work. PROTO extensions are compatible with standard 3/8" drive hand tools.
Used in
Common applications for PROTOPROTO 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.
