Size:100/115/125/150/180mm 4"/4.5"/5"/6"/7" For paint surface, metal, 3C. Abrasive Ceramic, mixed zirconium oxide. Grit P40/P60/P80/P120 Application The latest innovation in abrasives allows a continuous supply of the sharpest cutting edges. Provides the fastest cut as well as the best utilizatioon of the entire grain for the longest life, especially on stainless or high alloy materials.