Professional conical grinding wheel for M10 thread angle grinders. Made of high quality emery and silicon carbide. Available in 38 mm and 50 mm sizes. Designed for chamfering, grinding, and finishing various stone surfaces with precision and ease. Beveled edge provides a smooth, high end finish on glass and porcelain tiles, reducing rough edges and enhancing the overall appearance of tiling projects for a polished professional look. Crack Reduction Technology relieves stress around rough holes in tiles, significantly reducing the risk of cracking in standard and large format tiles that are subjected to tension during installation or use. Enhanced Edge Quality through precision grinding, greatly improving the edge finishing of exposed holes in tiles and stone for clean, professional results in home improvement or construction projects. Key specs: compatible with M10 thread angle grinders; conical design; materials emery and silicon carbide; sizes 38 mm and 50 mm. Use scenarios: - Chamfering and edge finishing on stone surfaces during tiling projects such as backsplashes and countertops. - Finishing cutouts and holes in glass or porcelain tiles to avoid sharp edges. - Preparing edges around fixtures or outlets for a polished, professional appearance.