This nail buffer block has 4 colored sides for filing, smoothing, polishing and shining. An effective buffer for a perfect manicure The SEPHORA COLLECTION 4-step buffer block leaves natural and artificial nails beautiful and shiny. In just a few seconds, it helps reshape nails and make them shinier. Its different grains smooth out minor irregularities on the nail surface and smooth the edges. Its practical hold ensures impeccable results that everyone can achieve. Nail buffer block: 4 sides for 4 steps. Using this nail buffer block couldn't be easier. Each side corresponds to a step numbered from 1 to 4 and identified by a color code. For a successful manicure, simply rotate the buffer, using the different sides in the right order. - Step 1 (black side): file. - Step 2 (pink side): smooth. - Step 3 (blue side): polish. - Step 4 (green side): shine. The added bonus of this SEPHORA COLLECTION nail accessory. - A must for pros and beginners alike. - Sweet multicolored look. - Box made fro