Made of high-grade super plastic used in the part of aircraft with excellent resistance to heat and chemical. The one in Carbon Black contains carbon for anti-static. The shortened tooth on the edge of the comb called Parting Space Head for sectioning. Centimetre module holes provide the strength of the tips of the tooth either flexibility of the whole body of the comb. 1 cm interval holes enable you to measure the precise length. This was developed with ideas from salon work and has been supported by many professionals around the world.