PROTO Socket Extension: 3/4 in Input Drive Size, 3/4 in Output Drive Size, 4 in Overall Lg
The PROTO J5660 is a 3/4" Drive Hand Socket Extension with 3/4" input and output drive sizes and a 4" overall length. It features a Chrome finish and is Not Insulated, with Locking Not Included. This PROTO-branded…
SKU 3G-OTH-317327
Also listed as: J 5660 · J-5660
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 J5660 is a 3/4" Drive Hand Socket Extension with 3/4" input and output drive sizes and a 4" overall length. It features a Chrome finish and is Not Insulated, with Locking Not Included. This PROTO-branded extension is designed for industrial socket-driving applications.
Frequently Asked Questions
What is the PROTO J5660 socket extension used for?
The PROTO J5660 is a 3/4" drive hand socket extension used to extend the reach of sockets in industrial bolting and assembly applications. Its chrome finish resists corrosion, and it is designed for manual or power-tool driving where insulation or locking is not required.
What are the specifications of the PROTO J5660 socket extension?
The PROTO J5660 has a 3/4" input and output drive size, 4" overall length, and a chrome finish. It is not insulated and does not include a locking feature. The manufacturer part number is J5660, and it is a PROTO-branded hand socket extension for industrial use.
Where to buy the PROTO J5660 socket extension worldwide?
3G Electric supplies the PROTO J5660 socket extension worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and a quote for your region.
How to select the correct PROTO socket extension for my application?
Select a PROTO socket extension by matching the input and output drive size to your ratchet or socket—here 3/4"—and choosing the length needed to reach recessed fasteners. For high-torque jobs, ensure the extension is rated for the tool's output. The J5660 is a standard chrome extension for general industrial use.
Used in
Common applications for PROTOPROTO Products
3G Electric supplies PROTO 3/4" drive hand socket extensions. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
