Check out Industrial Knob 3D model on CGTrader for $6. High-quality mesh by CreatorWorld3DModelsHere: 997 polys, 1022 vertices. PBR, Textured, UV Mapped.
MA (Autodesk Maya, filesize: 6.33 MB), OBJ (OBJ, filesize: 147 KB), FBX (Autodesk FBX, filesize: 92.8 KB), MA (Autodesk Maya, filesize: 6.33 MB), OTHER (Other, filesize: 2.89 MB), PNG (PNG, filesize: 14.3 MB), MEL (Maya Mel Script, filesize: 5.94 MB)