Diamond Sharp Shears is the only Authorized U.S. Service Center for Mizutani Scissors. Excellence in shear sharpening is our specialty and our Mizutani Master Sharpener, Norm Voller, is vested in creating educational videos to provide incite into what makes a quality shear and why we at Diamond Sharp Shears believe Mizutani Scissors are the best and most dependable premium scissors on the market today.