Powerful Motor: Our ultra-strong hair-cutting system easily handles even the thickest hair, delivering 35% more powerthan standard Wahl electromagnetic motor clippers. The louder buzzing sound is completely normal and part of its heavy-duty performance. Don’t settle for a weak clipper. Self-Sharpening Blades: Wahl’s precision self-sharpening steel blades stay sharper longer and continuously sharpen themselves with use. Apply oil every few haircuts to extend the lifespan of your motor and maintain optimal cutting performance.