Cuccio Yellow Softie Block 400 Grit 20 Pack is a versatile nail buffer designed for gentle shaping, smoothing, and finishing of natural or artificial nails. Its 400-grit surface provides precise control for refining nail edges, creating an even, polished look while preparing nails for polish or enhancements. Durable and easy to handle, these blocks ensure consistent professional results, leaving nails smooth, sleek, and ready for a flawless manicure.