component e g a rigid bar need not be inserted prior to the pouring of concrete upon the cap to create the main body portion alternatively the metal bar may be inserted into the mold and impregnated into the mold for the plastic cap fig1 14 depict yet another embodiment of the present invention comprising a main body portion 6 a cap 4 and a locking element 60 wherein the locking element 60 comprises a metal bracket 62 secured to the cap 4 and or main body portion 6 and a round base weld nut 64 the round base weld nut 64 in combination with various other features described herein provides means for securing a fastener in the particular embodiment shown in fig1 14 fig1 16 depict yet another embodiment of the present invention comprising a main body portion 6 a cap 4 and a locking element 70 wherein the locking element 70 comprises a metal bracket 72 secured to the cap 4 and or main body portion 6 and a tab base weld nut 74 the tab base weld nut 74 in combination with various other features described herein provides means for securing a fastener in the particular embodiment shown in fig1 16 fig1 18 depict yet another embodiment of the present invention comprising a main body portion 6 a cap 4 and a locking element 80 wherein the locking element 80 comprises a metal bracket 82 secured to the cap 4 and or main body portion 6 and a projection weld nut 84 the projection weld nut 84 in combination with various other features described herein provides means for securing a fastener in the particular embodiment shown in fig1 18 fig1 20 depict yet another embodiment of the present invention comprising a.