Kovax Tolecut Finish Repair System is for dry application. It apply Tolecut(K-1200, K-1500, K-2000) to the face Toleblock S. Both sides of Toleblock S can be used for sandingIts applicable for waterborne and clearcoat sanding, not necessrary to apply water. Dustnibs, runs or other paint defects can be removed faster and easier. You may use K-1200 for removal of runs, sags or other langer paint defects. K-1500 & K-2000 use for removal of small dust nibs and other small paints defects.