embodiment shown prosthetic pipe connector 32 is 30 mm in diameter in further exemplary embodiments prosthetic pipe connector 32 may have a diameter between 27 and 32 millimeters prosthetic limb 15 is secured in hollow tubular portion 23 by set screws 29 a 29 b not shown which project through set screw apertures 26 a 26 b not shown and tightening bolt 28 in base clamping protuberances 27 a 27 b not shown also illustrated in fig2 are securing bolts 90 a 90 b securing bolts 90 a 90 b project through securing apertures 91 a not shown 91 b not shown in front limb engaging panel 20 and securing apertures 92 a not shown 92 b not shown in fitted base component 40 not shown securing strap 74 also contains securing aperture 95 not shown which allows securing bolt 90 a to vertically lock securing strap 74 in place in further exemplary embodiments securing strap 74 may be vertically locked in place by additional bolts or other structures including but not limited to clips clasps buttons or combinations of these and other structures fig3 is an exemplary embodiment of a buckle cable system of rigid socket assembly 10 the buckle cable system secures non pivotal front limb engaging panel 20 pivotal rear limb engaging panel 30 and rigid outer support rib 72 around a residual limb in the exemplary embodiment shown non pivotal front limb engaging.