Its authentic logo is the curved "TYROLIT".

According to the query on the Tyrolit official website, the logo of the authentic Tenoli grinding wheel is a trademark pattern containing the brand name "TYROLIT". The logo is curved and represents high-quality, high-efficiency grinding wheel products. Tenoli grinding wheels are mainly used in cutting, grinding, polishing and other processes, and are widely used in automobiles, motorcycles, electronic products, construction and other industries.