Weidmueller SDQ T HANDLE T15

SDQ T HANDLE T15 likely refers to a Torx key (also sometimes called a star key) with a T-handle. "SDQ" is likely the brand or product line. "T HANDLE" indicates the tool has a T-shaped handle for better grip and leverage. "T15" refers to the Torx head size, which is a specific star-shaped size. Therefore, this is likely a Torx key, size T15, with a T-handle.