This new bag is designed specifically to hold a tilting single prism with tribrach adapter and optical plummet tribrach, or the SECO 6341-00 triple tilting prism assembly with target. Made at Geo de SECO, Mexico.
Inside dimensions: 10.5 x 11.5 x 3 inches (26.7 x 29.2 x 7.6 cm)
Outside dimensions: 13.5 x 13.5 x 7 inches (34.3 x 34.3 x 17.8 cm)