Preferably, however, the outside diameter of surface 62 is made equal to or slightly less than the inside diameter of surface 64 such that connectors 22 can be quickly inserted into the front end of structural conduits 22 without {HEAD ~ the added step} of {TAIL ~ compression} 
Preferably , however , the outside diameter of surface 62 is made equal to or slightly less than the inside diameter of surface 64 such that connectors 22 can be quickly inserted into the front end of structural conduits 22 without { HEAD ~ the added step } of { TAIL ~ compression }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL