The TSD Utilities toolbar and Menu functions are tools used to speed up repetitive processes such punching holes in one instance, placing holes in concrete panels, trimming parts against parts, hiding and showing excluded items in Assemblies and drawings from the bill of Materials, Hiding and Showing Bolts\Fasteners and excluding all from the bill of materials.

The most common functions used for manipulating models inserting from the library is under the TSD Utilities menu.

If you need to change multiple or single custom properties then get the model Custom Properties and Modify Model Custom Properties will solve your problem.