$15 Rail fastening of KB-65 with a wooden bar 3D model by Dufe. Available on CGTrader with 1361316 polys and 684824 vertices. Check it out on CGHub.
STL (Stereolithography, filesize: 64.9 MB), OBJ (OBJ, filesize: 206 MB), DWG (AutoCAD, filesize: 5.32 MB), FBX (Autodesk FBX, filesize: 43.1 MB), STP (STEP, filesize: 1.36 MB), MAX (Autodesk 3ds Max, filesize: 142 MB), IGE (IGES, filesize: 1.69 MB)