Use to prep nails especially before UV gel polish application due to its low corrosive surface. Most recommended for natural nails: on the top of the nail, edges, walls, and even directly used on the nail plate for buffing.

180 grit: Blue & Grey

Use to contour the whole nail; to prep natural nail before applying any product and also during manicure to shorten or shape natural free edge.

100 grit: Blue & Grey

Used to take the length down and to shape side walls and free edge.