Our 3M Conditioning Abrasive Discs combine aggressive cutting features with superior-conforming, non-woven fiber construction – great for auto body applications such as deburring, finishing and polishing. Two-inch (50mm) conditioning discs feature durable, fast-cutting aluminum oxide mineral abrasive, suitable for all metals, and Roloc backing for support and quick change-outs.3M Conditioning Abrasive Discs combine aggressive cutting features with superior-conforming, non-woven fiber construction – great for auto body applications such as deburring, finishing and polishing. Two-inch (50mm) conditioning discs feature durable, fast-cutting aluminum oxide mineral abrasive, suitable for all metals, and Roloc backing for support and quick change-outs.