walls of a truck or van and the tube interior is alternately fitted with retractable track pins that extend through the pads and retract behind the pads to accommodate different cargo bar systems application_number US 278001 A description 0022 fig1 a schematically illustrates a number of cargo bars 10 loaded on a pallet 12 following manufacture the loaded pallets are conveyed through commerce in the usual manner i e stacked together on the pallet and the loaded pallets transferred to a warehouse subsequently loaded onto trucks and hauled to a point of distribution there it may be stored for a period of time and then shipped to a retail outlet or directly to a trucking company fig1 b and 1c are top and front views where it can be seen that the pressure pads 14 have protrusions 16 and mated recesses 18 that interfit to facilitate stacking of the cargo bars on the pallet 12 it is desirable that the cargo bars fit a 4 foot pallet which is common for moving products through commerce and the present invention provides for shortening of the cargo bar length for shipping purposes to accommodate the conventional length of a pallet i e four feet the ability to load the bars on a 4 foot pallet results in reduced cost in shipping and storing of the cargo bars reference is now made to fig2 illustrates the use of the cargo bar of the invention for its intended purpose i e securing loads illustrated is a truck box 20 in which freight items 21 are loaded it is desirable upon many occasions to secure such partial loads against undesired shifting the width of the box.