The Black Pearl swivel set reduces thumb and wrist strain. The the double finger holes perfectly align your fingers to help prevent carpal tunnel. Great tools for the health conscious stylist who wishes to reduce cutting stress. These shears feature convex edges made from Japanese 440C steel for precision cutting. Perfect for relaxing the wrist, thumb, elbow and shoulder that will create a relaxing cutting position. Set includes 5.7 cutting shear, 30 Tooth thinner, Washi Texture razor and Case.