http://www.gadgettown.com/300g-0-01g-Jewelry-Pocket-Digital-Scale-1-B10078.html
300g x 0.01g Jewelry Pocket Digital Scale 1 features a hinged transparent cover protecting the high precision weighing platform when the scale is not in use and gives a stylish look. The scale comes complete with batteries, handy vinyl case and Tanita's patented capacitance loadcell weighing technology. This electronic digital professional mini-scale is small enough to carry in your pocket.