It is a C Clamp that is used to hold parts
MA (Autodesk Maya, filesize: 21.1 MB), OBJ (OBJ, filesize: 21.5 MB), FBX (Autodesk FBX, filesize: 2.69 MB), GLTF (glTF, filesize: 7.5 MB), SLDPRT (SolidWorks, filesize: 4.04 MB), STL (Stereolithography, filesize: 4.45 MB), BIP (KeyShot, filesize: 10.9 MB)