Check out Game-Ready Armor-Kit metal box with light Low-poly 3D model on CGTrader for $7. High-quality mesh by korben-dallas: 180 polys, 172 vertices. PBR, Textured, UV Mapped.
OBJ (OBJ, filesize: 30.4 KB), FBX (Autodesk FBX, filesize: 27.7 KB), BLEND (Blender, filesize: 6.23 MB), TEXTURES (Textures, filesize: 686 KB), GLTF (glTF, filesize: 374 KB)