
Amazon · Sep 11, 2026
$42
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Rounded flare-nut sockets like these grip fuel and brake lines without rounding off the fitting, so they're worth having in the box if you work on vehicles with hard steel lines. The 17mm and 21mm combo covers two of the more common sizes you'll run into on brake systems. Buy Now at Amazon
Features
- Replace fuel line fittings without damaging rails or lines
- Reduce risk of fuel leaks during maintenance
- 17mm socket for Audi, Volkswagen, and BMW engines
- 21mm socket for Paccar MX 11 and 13 engines
- Compatible with 3/8-inch square drive tools
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Price Analysis
|   | Discount | Last Deal Price | Current Price |   |
|---|---|---|---|---|
| Amazon |   | -- | $42 | Buy Now |






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