This free high resolution photograph features a rusted metal surface with textured bumps. This sort of metal texture is usually used as a grate cover in construction. The picture would make a great web background or desktop wallpaper. Photo is free for any use.
This work is dedicated to the Public Domain. For non-US use it is also placed under a Creative Commons CC0 designation. If you do use the photo, please consider giving credit and linking back to the site. This isn't required, but it's a very good way to support our efforts. Just something like, "Photo courtesy photos-public-domain.com".