There are several reasons to buy running boards or nerf bars for pickup trucks:

1. Convenience: Running boards or nerf bars make it easier to get in and out of your truck, especially for people with limited mobility or for children.
2. Protection: Running boards or nerf bars can protect the sides of your truck from damage when entering and exiting the vehicle.
3. Style: Running boards or nerf bars can add a stylish and custom look to your truck, enhancing its overall appearance.

Running boards or nerf bars are generally made of strong, durable materials, such as aluminum or steel, and are designed to withstand the weight of people entering and exiting the truck. They are typically rated to hold several hundred pounds.

Running boards or nerf bars for pickup trucks are typically made of strong and durable materials, such as aluminum, steel, or high-impact plastic. The exact material used can vary depending on the manufacturer and model of the running board or nerf bar.

Installing new running boards or nerf bars on a pickup truck is usually a relatively straightforward process that can be done with basic hand tools. The exact installation process will vary depending on the specific make and model of the truck and the type of running board or nerf bar being installed. Some running boards or nerf bars come with all the necessary hardware and instructions, while others may require additional parts or modifications to be installed properly.

Overall, installing new running boards or nerf bars on a pickup truck is usually not a difficult process, but it is important to carefully follow the instructions provided by the manufacturer and to make sure that the running board or nerf bar is securely mounted to the truck before using it.