DIAMOND COATED FOR FINE DETAIL WORK FOR POLISHING, GRINDING, SCRIBING, ETCHING & CARVING 120GRIT 35000RPM MAX. IN STORAGE CASE CONTENTS: 2 ROUND CONIC & 7 INVERTED BITS, 10PC CONICAL, 3 CYLINDRICAL, 7 CIRCLE, 4 SPHERE, 5 TEARDROP, 1 GROOVED CIRCLE BIT & 1/8'' SHANK INNER/CASE QUANTITY : 5/50 FULL PRODUCT DIMENSIONS 11x11x6