Check out PBR Pedestrian Guard Rail Black V5 Low-poly 3D model on CGTrader for $6. High-quality mesh by DaikLord3D: 327 polys, 360 vertices. PBR, Textured, UV Mapped.
MA (Autodesk Maya, filesize: 501 MB), OBJ (OBJ, filesize: 501 MB), FBX (Autodesk FBX, filesize: 501 MB), MAX (Autodesk 3ds Max, filesize: 501 MB), GLTF (glTF, filesize: 501 MB), 3DS (3D Studio, filesize: 501 MB), ABC (Alembic, filesize: 501 MB), USDZ (USDZ, filesize: 501 MB), DAE (Collada, filesize: 501 MB), UNITYPACKAGE (Unity 3D, filesize: 501 MB), UASSET (UnrealEngine, filesize: 501 MB), TEXTURES (Textures, filesize: 501 MB)