Check out Handsaw Low Poly knife Low-poly 3D model on CGTrader for $15. High-quality mesh by pbrscans: 3142 polys, 3128 vertices. PBR, Textured, UV Mapped.
OBJ (OBJ, filesize: 290 KB), FBX (Autodesk FBX, filesize: 579 KB), MA (Autodesk Maya, filesize: 151 KB)