professional hair trimmer’s blade is made of carbon steel and self-sharpening ceramic, it is easy to trim hair, beard, sideburns, face, and body hair. The R-shaped obtuse edge design makes gentle contact with the skin, can better protect your skin. Whether it is a beginner or a professional hairdresser, it can be easily used. professional barber's haircut kit is designed with a zero gapped clipper. It also comes with four different sizes of guide combs (1.5mm, 2mm, 3mm, 4mm) allowing you to easily cut your favorite hair length, meeting all your hair trimming and facial care needs. Highly recommended for either barbers use or self-haircutting. Although a powerful motor (7000RPM) is used, the noise level is very low with our professional design! Noise less than 55 db, perfect for your family. Enjoy the low noise environment while doing haircutting.