The Tweezerman Neon Filemates (3 Nail Files and Case) will keep your nails groomed to perfection, even when you're on the go. Featuring professional quality grit, the files boast coarse and fine sides for effective smoothing and shaping of natural and acrylic nails, whilst the handy carry case will keep your files clean. L.M. Use the coarser side to shape. Smooth and seal your nails using the finer side. File from the outside of the nail towards the centre. Always file in one direction. Brand: Tweezerman.