PROTO Flare Nut Wrench: Alloy Steel, Satin, 9 mm_11 mm Head Size
The PROTO Flare Nut Wrench is a metric, double-end, standard-head, 6-point flare nut wrench made of alloy steel with a satin finish. It features 9 mm and 11 mm head sizes and an overall length of 6 1/4 inches (MPN…
SKU 3G-OTH-301397
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Product Description
The PROTO Flare Nut Wrench is a metric, double-end, standard-head, 6-point flare nut wrench made of alloy steel with a satin finish. It features 9 mm and 11 mm head sizes and an overall length of 6 1/4 inches (MPN J3709M).
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the PROTO Flare Nut Wrench used for?
The PROTO Flare Nut Wrench is designed for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic fittings. Its 6-point, double-end configuration with 9 mm and 11 mm heads provides a secure grip on soft metal nuts, reducing rounding risk in automotive and industrial maintenance.
What are the specifications of the PROTO Flare Nut Wrench J3709M?
The PROTO Flare Nut Wrench J3709M is a metric, double-end, standard-head, 6-point flare nut wrench made of alloy steel with a satin finish. It has 9 mm and 11 mm head sizes and an overall length of 6 1/4 inches. The manufacturer part number is J3709M.
Where to buy the PROTO Flare Nut Wrench worldwide?
3G Electric supplies the PROTO Flare Nut Wrench J3709M worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this PROTO tool to any country.
How to select the right PROTO flare nut wrench size?
To select the correct PROTO flare nut wrench, measure the flare nut's hex size in millimeters. The J3709M covers 9 mm and 11 mm sizes. Ensure the wrench's 6-point design matches the nut to prevent slippage. For other sizes, consult PROTO's range of metric flare nut wrenches for proper fit.
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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.













