Holders & Back-Up Pads: Complete Guide to Types, Uses & Performance Table of Contents Holders & Back-up Pads Overview Hook-and-Loop Backing Pads for Sanders & Polishers Machine Pad Holders for Floor & Single-Disk Machines Buying, Brands & Selection Guidance Frequently Asked Questions (FAQ) Holders & Back-up Pads Overview Holders and back-up pads serve as the critical interface between your power tool and the abrasive disc, sheet, or pad. They provide stability, con …