Still sharp? It might be time to replace your blade. The moving Black Diamond DLC Deep Tooth clipper blade is ideal for all general cutting and use for the universal 4-hole mod bracket. The professional quality is rust and corrosion impermeable and stays sharper longer with coolest operation. This blade is sold separately and is compatible with all Gamma+ and StyleCraft models. This package includes just 1 blade so you are not locked into a blade combination that you do not need. Buy the exact blade you need, StyleCraft offers you to mix and match your blades as you desire. EASY INSTALLATION – To replace the moving blade simply unscrew the two screws on the back of the clipper, gently remove the old blade, replace with new one, and reinstall screws into machine. Make sure blades are aligned properly before turning on machine. Improper alignment may cause injury. As consistent with any Gamma+ or StyleCraft tools, all blades are fully adjustable to zero gap for the closest cut and finish. HOW TO CLEAN and CARE FOR YOUR BLADE - gently brush the blade with the maintenance kit brush to clear debris, spray blades with disinfectant (optional), apply 2-3 drops of oil directly on the blade and wipe clipper body clean with a dry cloth. Using the blade cover can help to avoid scratches and blade damage along with storage to help prolong the life the blade. We recommend, depending on your daily use, to change your blades every 1 to 4 months for superior sharpness. ENGINEERED AND DESIGNED in the USA. FITS ALL STYLECRAFT and GAMMA+ models. PROFESSIONAL QUALITY materials for maximum performanc. ZERO GAP BLADE for the closest cut and finish. FEWER BLADE CHANGES when properly maintained and cleaned.