3M DBI SALA Extended Height Vehicle Hitch Adjustment 8000116Accommodate increased hitch receiver height in applications where large vehicles are required for use with 3M DBI SALA Confined Space HC (High Capacity) Vehicle Counterweighted Base, using 3M DBI SALA Confined Space HC (High Capacity) Extended Height Vehicle Hitch Mount Tube. The hitch mount tube is constructed primarily of custom extruded aluminium and finished in gloss black powder coating and can be used to used to mount to extra large vehicles