Oscillating Multi-Tool Sandpaper is designed to be used with a backing pad. some have holes for dust collection and some are just a flat sheet. Having the sandpaper you need on hand is a good idea and stocking up has never been cheaper or easier. Tool King has the sandpaper for your particular oscillating multi-tool, from 36 grit for tough jobs, to high-grit for the fine finish work and everything in between. Check them out today!