Mix all ingredients together well and store in an airtight container.
Use it for anything you're grilling or when you're looking for a grilled taste.
Note: Corriander can be replaced with any herb you like. This is the one I hear called for most often. Experiment!
Another note: This is a 3:1 ratio, for the most part. Make any amount, just allow for 3 parts pepper, 1 part each of salt, onion powder, garlic powder and corriander, and 1/3 part crushed red pepper flakes. Using tablespoons, this makes enough for 7 or 8 meals under normal usage.