supply of primary tkr 1,srph421015-primary tkr 1-total knee replacement with option of cruciate re taining non-porous coated femoral component with separate left and right compone nts. they must have 3 degree external rotation built in and with size variations extra small, small, medium,large, extra large. it must be made of cobalt chromium. tibial co mponent with anatomical highly polished regular tray and size variations. patella re surfacing component. 40gm slow setting bone cement. each set to be supplied as and when required basis. primary tkr 2 -total knee replacement with option of posterior stablized non-porous coated femoral component with separate left and right compo nents. they must have 3 degree external rotation built in and with size variations fro m extra small, small, medium, large, extra large. it must be made of cobalt chromium. tibial component with anatomical highly polished constrained tray and size variation s. patella resurfacing component. 40gm slow setting bone cement. each set to be sup plied as and when required basis. each set to be supplied with complete set of instru mentation. unit: no.