The Dive Rite Single Tank Adapter (STA) is sized shorter at {13 in | 33 cm} to fit squarely in the opening of Dive Rite Travel and Voyager series wings. Constructed of marine grade 304 stainless steel the Dive Rite STA weighs {13 oz | 0.37 kg}. Includes two rubber non-slip cam strap pads and hardware consisting of a pair of { 1 in | 2.5 cm } long 5/16-18 thread carriage bolts and Dive Rite Scalloped Delrin Thumbwheels.