Weidmueller SD SK SET 5,5-13X125

"SD SK SET 5,5-13X125" likely refers to a set of tools, possibly wrenches or similar. "SD" probably represents the brand, "SK" a model or series, "SET" indicates it's a collection, and "5,5-13X125" specifies the sizes included. "5,5-13" likely refers to sizes ranging from 5.5 to 13 (units unspecified, but likely millimeters), and "X125" might indicate a length or dimension of 125 units (possibly millimeters) associated with the tools. To confirm the exact contents and specifications of this set, it's recommended to search online, check the SD brand's website, or consult relevant catalogs or suppliers.