3M Sanding Discs help make sanding easy and convenient. Each disk simply presses on and peels off, making changeovers fast and helping you get back to sanding quickly. Additionally, their long-lasting, tough abrasive minerals resist loading for extended disc life and exceptional performance. Paint, primer, fibreglass, metal, SMC — for a variety of surfaces, use 3M Sanding Discs.3M Sanding Abrasive Discs make sanding easy and convenient; just press the disc on the pad and sand. The disc peels off easily when the job is done, making disc changes fast and convenient. Long-lasting, tough abrasive minerals resist loading for longer disc life and better performance. Premium discs work on a wide variety of surfaces such as paint, primer, fiberglass, metal and SMC.