Onyx Grooming, 7 Inch, 42-Tooth Convex Edge Thinning ShearsLaazars 7 inch, 42 Tooth, convex edge thinning shears are the perfect tool upgrade for experienced groomers. These convex blades blend scissor lines and decrease knotting, all while providing a smoother and quieter cut than traditional beveled edge blades. Trimming control takes only 30% of hair with each snip, providing security against taking off too much, too quickly. Made from razor sharp 440c Japanese stainless steel with convex edge blade and