This knuckle joint can bear a load of 50kN and has a factor of safety as 4. The material taken into consideration while designing it is 45C8.
STL (Stereolithography, filesize: 255 KB), SLDPRT (SolidWorks, filesize: 204 KB), OTHER (Other, filesize: 204 KB), CATPRODUCT (CATIA, filesize: 71.2 KB)