A device for attaching an x-ray grid holder to a commercial structure such as a pipe so that the modern digital grid can be used in analysis and inspection. The x-ray grid holder attach device is constructed to be attached to a structure and can include a flat grid holder part, the grid holder part having at least one peripheral slot； a structure contact part constructed to be strapped to a structure to be x-rayed, the structure contact part having a key sized to mate with the peripheral slot, the key having a lock constructed to hold the key in the peripheral slot； the structure contact part can a means to attach it to the structure to be x-rayed such as a strap or suction cups.
