Gokatana 5.5"Black Titanium Double Swivel Hair Cutting Shears with blue easy click tension adjustment knob. The thumb swivels full range of 360 degree motion, great for reducing and preventing Carpal Tunnel Syndrome and painful cutters cramp. Featuring the Kissaki ultra sharp Convex edge, triple hand honed and hollow ground for durability and Razor sharpness. Made from the Highest Quality Forged Japanese SUS 440C Stainless Steel (Rockwell Hardness of 60+) and coated with beautiful Black Titanium for extended durability. All Kissaki Hair Shears come with our beautiful custom shear case including lubricant, finger sizing rings and a leather cleaning - polishing cloth and have a Lifetime Warranty against defects in parts, materials & workmanship.