Chromium Corundom Grin Flat Emery Head: Professsionally shapes nails and finishes them to a smooth gentle edge; Felt Grinder The Soft Felt Cone: Polish nails to a healthy shine,also use it to push back cuticles and stimulate nail bed circulation for increased nail growth Carborundum Grinder The Small Grinding Cone: Helps with the rough, hard cuticles and fits perfectly in the sides of the nail,it grinds the rough spots without damaging the skin White Corundum Grinder The Diamond Cone: Has been designed to remove dead skin,corns and calluses; Sandpaper Grinding Cylinder: Use to flat and smooth extra thick nails and rippled surface.