Pulley Hook 3D model is available on CGTrader for $20. Original author: 3D-Model-Master. Specs: 4177 polys, 4167 verts.
OBJ (OBJ, filesize: 9 MB), 3DS (3D Studio, filesize: 7.47 MB), FBX (Autodesk FBX, filesize: 13 MB), C4D (Cinema 4D, filesize: 754 KB)