Made with Japanese 440C Cobalt Stainless Steel MasterGrooming Tools 59000 Japanese Curved Grooming Shearshave a Rockwell Hardness Rating of 60 and are ultra-sharp forexcellent results. Micro-serrated edges hold hair in place while scissoring Short shanks reduce hand fatigue Removable finger rests for comfort Dialed tension knob makes it easy to set the cutting tension Material: 440C Japanese Cobalt StainlessSteel Size: 8" Curved Shears