Check out nata1 knife Low-poly 3D model on CGTrader for $10. High-quality mesh by turedurekimama: 212 polys, 185 vertices. PBR, Textured, UV Mapped.
OBJ (OBJ, filesize: 10 MB), BLEND (Blender, filesize: 5.1 MB), FBX (Autodesk FBX, filesize: 5.03 MB), OTHER (Other, filesize: 10.1 MB), UNITYPACKAGE (Unity 3D, filesize: 5.13 MB)