When manufacturing the nail file from Remos, the file blade is made of stainless steel. Both sides of the file blade are completely covered with diamond grains. One side of it has slightly coarser grains, the other side is covered with a superfine grain. The coarser grit is intended for pre-filing the nail, the finer (SUPERFINE) grit is for finish filing and sealing. The cuticle can be smoothed with the superfine side or is suitable for lightly roughening the nail surface before lacquering. The materials used make the nail file very durable. The nail file is especially suitable for manicures. Even with very thick and hard nails the file does its job extremely well. When using the file, the nail edges are sealed and therefore do not tear as quickly as when working with a conventional nail file. The diamond nail file with coarse grit is also ideal for working with acrylic or gel nails. The Remos file is sharper and much more durable than files with conventional silicon carbide (e.g. buffer files). The flexible 0.5mm thin file blade adapts exactly to the nail contour. Even hard-to-reach areas can be worked on without any problems. on the go in size [130 x 18 x 0.5mm] How do I use the Remos Flexi diamond file on natural nails: The coarse-grained side of the nail file is best suited to bring the nails into shape. However, it can also be used to shorten the nails. The super fine side gives the nails the final touch and seals their edges. With the 0.5mm thin bendable file you can work on the nail edges. The file is rust-free and does not oxidize in the air. Longer contact with water or very high humidity should therefore be avoided. The files are very popular with professionals, they are durable, disinfectable and sterilizable. DIRECTIONS Pre-file natural or gel nails with the 'medium' side and smooth the nail with the 'superfine' side. The 'superfine' side can also be used to smooth the cuticle or roughen the nail before applying polish.Made in Germany: the nail file is manufactured by experienced experts in Solingen Germany. The file has a very long service life and can be disinfected with conventional disinfectants or 70 vol. alcohol from the pharmacy. Suitable for professionals. Delivery: the environment is very important to us and we try to avoid plastic wherever possible. Therefore we send the nail files in a sustainable cardboard packaging. Application: pre-file natural or gel nails with the "medium" side and smooth the nail with the "superfine" side. Tip: the "superfine" side is also suitable for smoothing the cuticle or roughening the nail before applying polish. Coated on both sides: the side "medium" corresponds to 180 grit, the side "superfine" corresponds to 300 grit. This grit is sharper than silicon carbide which is used for buffer files / emery boards. Professional: the innovative, stainless steel nail file is coated with diamond dust and available in various grit sizes. The professional file is 0,5 mm thin and very flexible. That way all areas around the nail can be filed with ease. [130x18x0.5mm].