Dremel EZ Lock Abrasive Brushes Abrasive is inpregnated within rubber wheel for grit to last the life of the accessory. Color-coded for easy identification: Brown-36 grit for light rust removal from metal, White-120 grit for light paint removal from wood, Red-240 grit for tarnish removal from brass. EZ Lock compatible. Perfect for restoration work. Unique design allows sanding of contour shapes without damaging your work piece Pack of 1