The multi sharp att3001 wetstone chisel plane blade sharpener has the following features water cooled sharpening water cooling is acknowledged by professionals to hone the finest edges the wetstone uses re circulating water to eliminate over heating of the blade edge and loss of steel temper blueing simply fill the built in reservoir with water turn on the power drill and a continuous film of water covers the face of the grinding wheel wood chisels plane blades wetstone sharpens even