Do these bolt directly to factory mounting points, or do I need to drill?

These mount at the factory rocker attachment points—no drilling or frame modification. Clean the mounting surfaces before install and use the appropriate fasteners for your vehicle.

Will aluminum boards rust if they get wet?

Aluminum resists corrosion far better than steel, but exposure to road salt and standing water will eventually cause oxidation. Rinse them occasionally, especially after winter driving, to extend their life.

Are these boards enough to stand on safely, or are they just for looks?

These are functional running boards designed to support your weight during entry and exit. They're not a roof rack or load-bearing surface—treat them as a step aid only.