Proto Single Flare Nut Wrench, Ready for Garage and Job Site Use, Built Tough for Everyday Use, Great Pick for Pros and DIYers, Pro Tool for Soft Fittings Without Rounding Them Off

Regular price $54.79 Sale price$98.62you save $43.83
Product ID: 1230-9258
UPC:





Proto Single Flare Nut Wrench for Pro Shop Use
✔️ 1 flare nut wrench, steel, tough shop-ready build, solid everyday tool

The Proto single flare nut wrench grips line fittings on more sides than an open end wrench, so soft nuts don't round off. You'll see it in brake line, fuel line, and hydraulic fitting work, and it's ready to work hard every day.

✅ Pack size: 1 flare nut wrench
✅ Brand: Proto
✅ Material: steel
✅ Mfr part number: J3751
✅ Tough build for shop, garage, and job site use

💡 What is a flare nut wrench used for?
Flare nut wrenches are made for line fittings that round off easy.

  • They grip the fitting on more sides than an open end wrench
  • The slot lets the wrench slip over brake and fuel lines
  • Perfect for soft brass and aluminum fittings
✝️