Gua Sha Professional SetProfessional Set Includes: GP 1 GP 2 GP 3 GP 4 Case Logic carrying case The Professional tools feature our integrated ergonomic handle to minimize stress on the user's hand. Tools provide shapes for all body contours and an extremely sensitive treatment edge. Like all of our tools, the treatment blade is symmetrically beveled allowing the user to flip the tool over and use with either hand. Lightweight with textured handle to reduce user fatigue.