Features & Benefits : • Professional-grade blade compatible with all Stylecraft and Gamma+ clipper models • Highest quality black diamond carbon blade stays cooler, rust-free, and sharper longer • Enhanced cutting performance with super sharp tips • Fewer blade changes after daily use are more convenient, time saving and preferred by pros • When to change your blade - we recommend depending on your daily use, every 1 to 4 months for maximum performance • Best storage for clippers - do not wrap cord around clipper, hang from hook and use blade cover lid How to clean your blade : Gently brush with maintenance kit brush to clear debris, spray blades with disinfectant (optional), oil clipper, wipe clean with a dry cloth and use blade cover for storage