Let me tell you, this Permatex Copper Anti-Seize is the real deal. I've been using it on everything from spark plugs to exhaust bolts, and it's saved me countless hours of frustration.

The copper flakes make this stuff magical - it creates perfect conductivity for battery terminals while preventing that awful metal-on-metal seizing we all dread. I recently used it on my tractor's stubborn bolts that normally require torches to loosen, and next season they came apart like butter.

About that 'half-full bottle' complaint - ignore it! The extra space actually helps mix the product properly. Pro tip: Use cheap disposable brushes instead of the included one to keep your supply clean.

Where this product really shines is in high-heat areas. I've tested it on exhaust manifolds running at 1500°F and the protection holds up beautifully. The copper additive makes it worth every penny over standard anti-seize.

One unexpected benefit? Applying a thin layer between brake rotors and hubs makes future brake jobs so much easier. No more wrestling with rusted-on rotors!

The only minor downside is the messy application (wear gloves!), but that's true of any anti-seize product. At 8oz, this bottle will last most DIYers years - a little goes a long way.

Final verdict: Essential for anyone working on vehicles or equipment. Your future self (or your kids inheriting your tools) will thank you for using this.