Genius Tools Single 21mm Metric Flare Nut Wrench, Smart Pick for Pros and Hobbyists, Smart Toolbox Upgrade, Handy Flare Nut Tool for Auto, Hydraulic, and HVAC Work

Regular price $49.63 Sale price$89.33you save $39.70
Product ID: 1230-3534
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Genius Tools Single 21mm Metric Flare Nut Wrench
✔️ 1 flare nut wrench, 21 mm size, pro-grade build, made for daily use

Need a solid flare nut wrench? This Genius Tools single flare nut wrench grips line fittings on more sides than an open end wrench, so soft nuts don't round off, and it fits right in with brake line, fuel line, and hydraulic fitting work.

✅ Pack size: 1 flare nut wrench
✅ Brand: Genius Tools
✅ Size: 21 mm
✅ Measurement system: metric
✅ Mfr part number: 741921

💡 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
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