1_Inch_Tube_Connetion_Insert_Spigot_Dimensions_Instructions_Guide_Aluminum_Truss_Display_Booth Posted on October 7, 2015October 16, 2015 by Rob Boutcher 1_Inch_Tube_Connetion_Insert_Spigot_Dimensions_Instructions_Guide_Aluminum_Truss_Display_Booth Expansions style insert for 6″ wide Mini Truss by EDT Exhibit and Display Truss