Raizi diamond router bits are Designed For Shaping And Profiling The Edges Of Your Stones, and Each Of them Can Be Customized To Meet Your Need For Different Edge Shapes Such As Eased Edge, Demi Bullnose, Bevel, Ogee, And Full Bullnose. You Can Also Select Those Bits Made Of Different Techniques To Better Fit Your Materials’ Characteristics And Thus Improve The Performance And Efficiency. They can be used on various kinds of machines, and if there are any needs for thread changing, one simple adaptor will be a perfect solution.