PROTO Open End Wrench: Alloy Steel, Chrome, 1 3/8 in Head Size, 13 3/4 in Overall Lg
The PROTO Open End Wrench is an SAE double-end open end wrench made from alloy steel with a chrome finish. It features a 1 3/8 in head size and a 13 3/4 in overall length, identified by manufacturer part number J3144.
SKU 3G-OTH-284834
Also listed as: J 3144 · J-3144
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 Open End Wrench is an SAE double-end open end wrench made from alloy steel with a chrome finish. It features a 1 3/8 in head size and a 13 3/4 in overall length, identified by manufacturer part number J3144.
Frequently Asked Questions
What is the PROTO J3144 open end wrench used for?
The PROTO J3144 is a double-end open end wrench used for tightening or loosening SAE hex fasteners. Its 1 3/8 in head size suits heavy-duty industrial maintenance, assembly, and repair tasks across machining, material handling, and other plant operations.
What are the specifications of the PROTO J3144 open end wrench?
The PROTO J3144 is an SAE double-end open end wrench made from alloy steel with a chrome finish. It has a 1 3/8 in head size and a 13 3/4 in overall length. The manufacturer part number is J3144.
Where to buy the PROTO J3144 open end wrench worldwide?
3G Electric supplies the PROTO J3144 open end wrench worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order this PROTO wrench for your facility.
How to select the right PROTO open end wrench size?
Select a PROTO open end wrench by matching the head size to your fastener's SAE hex dimension. For the J3144, the head size is 1 3/8 in. Ensure the overall length (13 3/4 in) provides adequate leverage for your application without over-torquing.
Used in
Common applications for PROTOPROTO Products
3G Electric supplies PROTO sae, double end, open end wrenches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
