Kai 9 inch Professional ScissorsMade of a high carbon, hardened stainless steel, the Kai 7230 is the 9 inch professional scissor that is ideal for thicker, more difficult fabrics. The addition of Carbon allows for a steeper cutting angle, giving the scissor a sharper, finer edge that last. The Kai 7230 being a 9 inch, is considered a lighter scissor, yet long enough for standard sewing projects. Most people compare this scissor to the Kai 7250 10 inch scissor. When compared, the Kai