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WR FLARE NUT 10 X 12MM 12PT - Stanley Proto Industrial Tools

Part #: J3710MT

The Stanley Proto J3710MT Flare Nut Wrench is engineered for professional technicians requiring a precise and durable tool for critical automotive and industrial applications. This 10mm x 12mm 12-point flare nut wrench is designed to securely grip hexagonal fasteners on fluid lines, minimizing the risk of rounding while providing the necessary torque for both loosening and tightening.

Key Features

  • Professional-Grade Construction: Manufactured by Stanley Proto Industrial Tools, ensuring a durable and reliable tool for demanding environments.
  • 12-Point Configuration: The 12-point opening provides a secure, non-slip grip on flare nuts, reducing the chance of fastener damage and improving efficiency.
  • Optimized Sizing: Features dual 10mm and 12mm ends, accommodating common flare nut sizes found in automotive and industrial systems.
  • Corrosion Resistance: Designed to withstand harsh workshop conditions and resist corrosion over extended use.
  • Enhanced Torque Transfer: Engineered for effective application of torque without compromising the integrity of delicate flare nuts.

Applications

The J3710MT flare nut wrench is an essential tool for working with soft metal fittings and lines found in various systems. It is particularly well-suited for servicing brake lines, fuel lines, hydraulic lines, and HVAC connections where standard open-end wrenches might damage the fastener. Its design ensures a solid grip on tubing nuts, making it ideal for maintenance and repair tasks on passenger vehicles, light trucks, and industrial machinery.

Only 1 left in stock - order soon

$30.55

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This product was added to our catalog on Saturday 11 July, 2026.

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