Propeller balance is critical to the efficiency of the drone. Banging into walls and chipping the propellers isn’t a good thing. Balanced props are quieter, run faster and travel farther by saving battery life. I purchased dynamically balanced props #7238F and prop guards. The prop guards should also provide some protection for the camera and gimbal as well as possibly, my fingers.
My new MA2 came with a bag of propellers and the bag is labeled “Unbalanced B.” WTH? I may never use them.