Top Shelf 280pcs Solid Copper Crush Washers Assortment Kit Featuring 12 Sizes For Sump Plugs Hydraulics Fuel And Water Sealing Fits Various Fittings Set Plastic Box Badass Durability Pro Grade Repair Hardware Must Buy For Home Mechanics DIY Crew

Solid 280pc copper crush seal kit for fluid sealing tasks
✔️ 280 copper washers include 12 sizes handle temps up to 1083C max

This handy kit holds hundreds of reusable copper disks you clamp tight against metal surfaces. Mechanics drop them behind sump screws or hydraulic connectors to stop leaks instantly without needing special tools.
✅ Solid copper construction handles extreme heat loads fast
✅ Comes inside organized clear compartmented plastic box lid secure
✅ Set offers 12 distinct sizes covers most vehicle sealing requirements broadly

💡 How do copper washers prevent fluid leaks reliably?
They form a permanent seal when compressed to fill microscopic gaps in threads
Heat resistance ensures the material won't fail during engine thermal cycling events
Conductivity helps disperse hot spots near exhaust ports or sump pans safely