The StyleCraft S|C REPLACEMENT FIXED BLACK FAPER CLIPPER BLADE WITH BLACK MOVING SLIM DEEP TOOTH CUTTER SET #SC520B is a high-quality combo that is perfect for general cutting and blending. Its professional Black faper blade is anti-corrosive and rust-free, ensuring long-lasting sharpness. Additionally, the hypoallergenic properties of the black blade make it ideal for those with sensitive skin. Installing the moving blade is easy and quick - simply unscrew the old one, replace it with the new blade, and screw it back in. To maintain its superior sharpness, it is recommended to clean and care for your blade by brushing away debris, disinfecting it (optional), and applying oil. Using the blade cover for storage can also help prolong its life. As with all Gamma+ and StyleCraft tools, the blades are fully adjustable for a close and precise cut. Depending on your usage, it is advised to replace your blades every