PROTO Flare Nut Wrench: Alloy Steel, Satin, 15 mm_17 mm Head Size, 8 in Overall Lg
The PROTO J3715MT is a metric, double-end, standard-head, 12-point flare nut wrench made of alloy steel with a satin finish. It features 15 mm and 17 mm head sizes and an 8-inch overall length.
SKU 3G-OTH-401472
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Product Description
The PROTO J3715MT is a metric, double-end, standard-head, 12-point flare nut wrench made of alloy steel with a satin finish. It features 15 mm and 17 mm head sizes and an 8-inch overall length.
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 J3715MT flare nut wrench used for?
The PROTO J3715MT flare nut wrench is designed for tightening or loosening flare nuts on brake lines, fuel lines, and hydraulic fittings. Its 12-point, double-end configuration with 15 mm and 17 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 J3715MT flare nut wrench?
The PROTO J3715MT is a metric, double-end, standard-head, 12-point flare nut wrench made of alloy steel with a satin finish. It has 15 mm and 17 mm head sizes and an 8-inch overall length. The manufacturer part number is J3715MT, and it is not a ratcheting type.
Where to buy the PROTO J3715MT flare nut wrench worldwide?
You can source the PROTO J3715MT flare nut wrench through 3G Electric, a global industrial equipment distributor established in 1990. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply PROTO tools to procurement teams globally.
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 J3715MT covers 15 mm and 17 mm sizes. Ensure the wrench's 12-point opening matches the nut to avoid slippage. For metric systems, choose double-end wrenches like this model for two common sizes in one tool.
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Common applications for PROTOPROTO Products
3G Electric supplies PROTO metric, double end, standard-head, 12-point flare nut wrenches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.











