PROTO Flare Nut Wrench: Alloy Steel, Satin, 10 mm_12 mm Head Size
The PROTO Flare Nut Wrench (MPN J3710M) is a metric, double-end, standard-head, 6-point flare nut wrench made of alloy steel with a satin finish. It features 10 mm and 12 mm head sizes and an overall length of 6 1/4…
SKU 3G-OTH-301398
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Product Description
The PROTO Flare Nut Wrench (MPN J3710M) is a metric, double-end, standard-head, 6-point flare nut wrench made of alloy steel with a satin finish. It features 10 mm and 12 mm head sizes and an overall length of 6 1/4 inches.
Frequently Asked Questions
What is the PROTO Flare Nut Wrench used for?
The PROTO Flare Nut Wrench is used for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic fittings in automotive and industrial applications. Its 6-point design grips the nut securely to prevent rounding, making it ideal for maintenance and repair work on vehicles and machinery.
What are the specifications of the PROTO Flare Nut Wrench J3710M?
The PROTO Flare Nut Wrench J3710M is a metric, double-end, standard-head, 6-point wrench made of alloy steel with a satin finish. It has 10 mm and 12 mm head sizes and an overall length of 6 1/4 inches. The satin finish reduces glare and resists corrosion.
Where to buy the PROTO Flare Nut Wrench worldwide?
You can source the PROTO Flare Nut Wrench J3710M 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; we supply genuine PROTO tools to customers globally.
How to select the right PROTO Flare Nut Wrench size?
To select the right PROTO Flare Nut Wrench, match the wrench head size to the flare nut's hex dimension. For the J3710M, use the 10 mm end for 10 mm nuts and the 12 mm end for 12 mm nuts. Ensure the wrench fits snugly to avoid slipping. Always verify the nut size before use.
Used in
Common applications for PROTOPROTO Products
3G Electric supplies PROTO metric, double end, standard-head, 6-point, flare nut wrenches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













