Ceramcut Blue Stone SetSet of 9 Ceramcut stones in a plastic case, 3 32"" shank. CK300 Large Ball Nose, medium 80 grit, 1 4"" head diameter x 1 2"" length. CK301 Medium Ball Nose, fine 120 grit, 3 16"" head diameter x 1 2"" length. CK302 Small Ball Nose, fine 120 grit, 1 8"" head diameter x 1 2"" length. CK318 Flame, medium 80 grit, 5 32"" maximum head diameter x 3 8"" length. CK322 Small Inverted Cone, fine 120 grit, 1 8"" head diameter x 1 8"" length. CK332 Small Ball,