Nyalox 3 x 5/8 in. Orange 120-Grit Nylon Medium Cup Brush features abrasive grain embedded in every bristle, allowing it to work like a wire brush on various surfaces including wood, metal, and tile. It functions similarly to a power sander, effectively removing old finishes while maintaining its shape without shedding bristles. This brush is color-coded with orange indicating 120 grit, helping you select the safest grit for your surfaces. It operates at a maximum speed of 12,500 rpm and a safer to traditional wire brushes as it does not rust. I for tasks such as dried grout removal, it easily attaches with a 5/8-11 female thread directly onto your angle grinder. Model Number: