Pro Flat Copper Washers 120 Solid Seals M6 M20 Heat Proof Set Fits All Car Boat Sump Plugs Anti Leak Hardware Fixes Rides And Homes Stops All Leaks Daily Projects Like A Boss With Strong Quality Built Tough For Your Ride

Flat Copper Washer Set 120 Pieces Heat Resistant Seal Kit
✔️ M6 to M20 sizes fit sump plugs seals oil fuel system now

We provide a solid set of 120 flat copper rings perfect for fixing engine leaks in cars or boats. These handy gaskets seal sump plugs and fuel injectors effectively against high pressure oil flow.

✅ Hardened alloy material stands up to extreme heat cycles
✅ Wide selection of hole diameters suits various bolt thread types
✅ Non magnetic properties ensure stability in electronic sensors

💡 why do mechanics swap steel washers for copper ones today - Copper stays soft enough to fill imperfections in metal surfaces - Heat conductivity keeps bolt threads from overheating under load - Long lasting protection stops fluid drips in your ride permanently