Product | Tibial Component Description Knee Joints, PreciTotal Primary Knee System Tibial Component Solid tibial central locking mechanism; Highly polished interface surface to reduce backside wear; No-reaming for tibial component keel preserves more bone; Cementless tibial tray is made of titanium alloy through additive manufacturing, which provides porous structure mimicking the trabecular bone. Additional information PreciTotal Knee