Rubi Round Superpro Bullnose For Grinder (52938)With the diamond grinding wheels for cutting round edges, we can easily cut countertops, steps, swimming pool copings, tree surrounds, kerbs, among many other tasks, both in porcelain stoneware, natural stone and other landscaping materials with thicknesses of up to 20 mm. RUBI's diamond grinding wheels are designed for dry cutting and can be adapted to any grinder on the market thanks to their M14 thread connection. Thanks to vacuum brazing