This heavy-duty field case is used in place of the hard case that comes with a total station. Constructed from heavy-duty, water-resistant orange nylon and two-inch foam padding on all sides. It features a tough Rhinotek™ bottom. The 8121-00-ORG loads from the front and has a compartment for accessories. The case works as a backpack for most total stations. Approximate inside dimensions between foam wall padding: 14 x 9 x 7 inches (35.56 x 22.86 x 17.78 cm). Made at Geo de SECO, Mexico.