The Semilac Square Paper Buffer is ideal for preparing the nail plate, smoothing the last layer of gel or acrylic, and removing remnants of semi-permanent nail polish. It features two sides with hardness 400/4000 grits, allowing you to choose the texture according to your needs. The finer side is suitable for finishing, while the coarse side allows for quick material removal. Its shape is square, making it easy to use for precise applications.