Normally general sanding of flat surfaces when I want to get a lot off quickly. Normally I use 120 for my start but sometimes I get started on something that I need sanded quickly and need to remove a lot of material.Maybe you could show us what you are needing this for. Maybe you need a different approach like a flap wheel.
@jgt1942, you will need to introduce yourself in addition to opting in for the Klingspor discount.Check your profile to be sure you allowed NCWW to share your information with Klingspor.