Dual-Sided Design: Coarse Side: The coarse side is ideal for shaping your nails, allowing you to quickly reduce the length and shape them to your desired style. Fine Side: The fine side is perfect for smoothing the edges of your nails after shaping, leaving them with a clean, polished finish. Sapphire-Coated Surface: The sapphire coating provides a durable and effective filing surface that gently but efficiently files your nails without causing damage. Versatile Use: Suitable for both natural and artificial nails, making it a handy tool for various nail care needs.