Single Point Diamond Dresser, High quality Diamonds.Available in Shank sizes 14", 38", 716", 12" and over all length 1-12" to 6".Ideal tool for dressing wheels for Surface Grinders, Universal Grinders, Cylindrical Grinders, Centreless Grinders etc. Carat Sizes 14, 13, 12, 34, 1, 1-14, 1-12, 2, 2-12, 3, 3-12, 4 & 5.