Solid 100 Pcs Copper Washers Assortment Kit With Seven Sizes M4-M14 Flat Sump Plug Oil Drain Seal Gaskets For Auto Plumbing And Mech Jobs

100pcs Copper Sealing Washers for Auto Engine Repair
✔️ M4 to M14 Flat Ring Sizes With Brass Red Crush Gasket Oil Seal

This 100 piece collection provides durable brass sealing rings for cars and plumbing jobs.

✅ Durable copper ring material resists extreme heat and maintains reliability in engine joints
✅ Compact organization box allows quick access during urgent vehicle maintenance tasks
✅ Fits standard M4 through M14 bolt holes preventing oil leaks securely

💡 What makes copper washers handy for automotive repair projects?

- Superior thermal conductivity handles pressure changes without deforming easily - Resists high temperatures better than synthetic materials for oil leak prevention - Ensures lasting durability against corrosive fluids in car parts under stress✝️