PROTO Open End Wrench: Alloy Steel, Satin, 12 mm_13 mm Head Size, 6 3/8 in Overall Lg
The PROTO Open End Wrench is a metric, double-end, open-end wrench made from alloy steel with a satin finish. It features 12 mm and 13 mm head sizes and a 6 3/8 in overall length, identified by manufacturer part…
SKU 3G-OTH-296159
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Product Description
The PROTO Open End Wrench is a metric, double-end, open-end wrench made from alloy steel with a satin finish. It features 12 mm and 13 mm head sizes and a 6 3/8 in overall length, identified by manufacturer part number J31213.
Frequently Asked Questions
What is the PROTO J31213 open end wrench used for?
The PROTO J31213 is a metric double-end open end wrench used for tightening or loosening 12 mm and 13 mm fasteners in industrial maintenance, automotive repair, and mechanical assembly. Its alloy steel construction and satin finish provide durability and corrosion resistance for repeated use.
What are the specifications of the PROTO J31213 wrench?
The PROTO J31213 open end wrench is made from alloy steel with a satin finish. It has 12 mm and 13 mm head sizes, a 6 3/8 in overall length, and a standard (Std) profile. The manufacturer part number is J31213, and it is a metric double-end design.
Where to buy the PROTO J31213 wrench worldwide?
You can source the PROTO J31213 open end wrench 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 wrench.
How to select the right PROTO open end wrench size?
To select the correct PROTO open end wrench, match the wrench head size to the fastener nut or bolt dimension. For metric fasteners, use the 12 mm end for 12 mm nuts and the 13 mm end for 13 mm nuts. Ensure the wrench length provides adequate torque for the application.
Used in
Common applications for PROTOPROTO Products
3G Electric supplies PROTO metric, double end, open end wrenches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















