KEEP YOUR MASTERY CLIPPER CUTTING LIKE NEW. When your blades start pulling instead of cutting, it's time. The Mastery Clipper Replacement Blades restore full cutting performance — same 440C steel, same multi-stage sharpening process, ready to fit and use immediately. 440C STEEL · STAYS COLD LONGER High-heat resistant 440C steel treated through hardening, sharpening, isothermal tempering, and etching. Stays cool through continuous cutting — safe on any hair type and scalp. No overheating, no burning. SHARP OUT OF THE BOX The blades arrive fully sharpened. No resharpening required — fit them and start cutting. The same edge quality as the original blades that came with your clipper. DIRECT FIT FOR MASTERY CLIPPER 1 fixed blade + 1 cutting moving blade. Uses your existing clipper screws — no new hardware needed. Restores your clipper to full performance in minutes. ⚠️ Important: Screws not included — use existing screws from your clipper. Blades arrive sharp — handle with care. No instructions for use included.