Each tent marker has three 3” x 3” surfaces, with holes for wall mounting or elevated field use. Available in white or yellow background, with black writing. Metric scale on the flat surface, with “photo cross hairs”. Made of durable plastic and stackable for easy storage. Hole in tent may also be used with stick or flag to raise marker in field use. The cut out edition has 1 3/4” x 1 3/4” cut out on the third surface and allows the marker to be placed closer to the evidence. The cut out may also be placed in holes or crevices for depth measurement.