EDT_EHC_Exploded_Aluminum_Truss_Part_Clamps_Structure_Finish_Line_Kit Posted on October 15, 2015October 16, 2015 by Rob Boutcher EDT_EHC_Exploded_Aluminum_Truss_Part_Clamps_Structure_Finish_Line_Kit Parts for extender hook clamps. Hardware included. Used for Finish line structures.