Cluster Diamond Type Dresser Tool is made using a number of small natural rough diamonds of good crystal character, which are set in a unique geometric pattern in single layer and sintered into a special wear resistant bond. The Dresser Tool is most suitable for coarse or rough dressing of grinding wheels of sizes up to 80 grit. The Dresser Tool allows the diamonds to be fully utilized without any need for re-setting or re-sharpening. The Cluster Diamond Type Dresser Tool produces fine and smaller cut diamonds.