A unit of mass or weight for heroin equal to exactly 700 grams (0.7 kilogram or about 1.543 pounds). This unit, standard in the southeast Asian drug trade, is also called the Asian unit in U.S. drug enforcement
Russ Rowlett (Director), How Many? A Dictionary of Units of Measurement, Center for Mathematics and Science Education University of North Carolina, USA 2005. http://www.unc.edu/~rowlett/units/dictA.html, (Unit of Meas and Covr Factors - Amer) {608}