PROTO Open End Wrench: Alloy Steel, Chrome, 11 mm Head Size, 5 in Overall Lg
The PROTO Open End Wrench is a metric, double-end, open-end wrench made from alloy steel with a chrome finish. It features an 11 mm head size and a 5-inch overall length, with the manufacturer part number J3111M.
SKU 3G-OTH-296098
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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 chrome finish. It features an 11 mm head size and a 5-inch overall length, with the manufacturer part number J3111M.
Frequently Asked Questions
What is the PROTO J3111M open end wrench used for?
The PROTO J3111M open end wrench is used for tightening or loosening nuts and bolts in metric applications. Its 11 mm head size and 5-inch length make it suitable for automotive repair, machinery maintenance, and general industrial assembly where a compact, double-end wrench is needed.
What are the specifications of the PROTO J3111M wrench?
The PROTO J3111M is a metric, double-end, open end wrench made from alloy steel with a chrome finish. It has an 11 mm head size and a 5-inch overall length. The manufacturer part number is J3111M, and it is classified as a standard (Std) type wrench.
Where to buy the PROTO J3111M wrench worldwide?
You can source the PROTO J3111M wrench worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply PROTO tools to customers across multiple industries.
How to select the right PROTO open end wrench size?
To select the right PROTO open end wrench, match the head size to the nut or bolt dimension. For metric fasteners, use a wrench with the same size marking, such as the 11 mm J3111M. Ensure the overall length provides adequate leverage for the application. PROTO alloy steel construction with chrome finish offers durability and corrosion resistance.
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.















