Constant "Micro" Ultraportable Palm Sized Digital Scale - 100g x 0.01g for Jewelers One of the smallest digital scales ever manufactured for consumers; at 3 in. x 1.5 in., this scale easily fits in the palm of your hand Dedicated use of this scale can drastically increase the precision of your hand-movements This sleek, modern and attractive portable scale takes measurement in grams, ounces, troy ounces, pennyweights, carats, and grains! Batteries included