Main toolbar > Tool Palettes button > Right-click over a tool or tool name
Right-clicking on a tool or on a tool's thumbnail image displays menu with options for managing tools on palettes, including those on the Scene–In Use and Scene–Unused palettes.

Apply To Selected—Applies the material to selected objects in the scene.
Cut—Removes the tool from the active palette, and place it on the clipboard. To select multiple tools, use the SHIFT or CTRL keys.
Copy—Makes a copy of the selected tool, and places it on the Clipboard. To select multiple tools, use the SHIFT or CTRL keys.
Delete—Deletes the tool from the active palette. To select multiple tools, use the SHIFT or CTRL keys. The tool is not placed on the Clipboard. A warning dialog confirms if you want to delete the tool.
Note: When you delete a tool form a tool palette, objects in the scene that were inserted with this tool are not deleted.
Rename—Renames the tool. A text field displays where you enter the new name, then press ENTER to accept it.
Properties—Displays the Tool Properties dialog where information about the tool's properties is displayed.
These menu commands are for managing tools on the Scene-In Use and Scene-Unused palettes in the Tool Palettes Set.

Apply To Selected—Applies the material to selected objects in the scene.
Select Objects—Displays the objects in the scene that are assigned the material.
Refresh Thumbnail—Updates the thumbnail image to match the material as it displays in the Material Editor.
Copy—Makes a copy of the selected tool, and places it on the clipboard.
Properties—Displays the material in a sample slot in the Material Editor.

Apply To Selected—Applies the material to selected objects in the scene.
Refresh Thumbnail—Updates the thumbnail image to match the material as it displays in the Material Editor.
Cut—Removes the tool from the active palette, and places it on the Clipboard.
Copy—Makes a copy of the selected tool, and places it on the Clipboard.
Delete—Deletes the tool from the Scene–Unused palette. The tool is not placed on the Clipboard. A warning dialog confirms if you want to delete the tool.
Properties—Displays the material in a sample slot in the Material Editor.