American Weigh Scales MB-100-VINTAGE Vintage 100 x .01G Matchbox Scale Capacity: 100g / 500ct / 1543gn / 64.30dwt Readability: 0.01g / 0.05ct / 0.2gn / 0.01dwt Weighing Units: Gram, Carat, Grain, Pennyweight Scale Dimensions: 1.4" x 2.9" x 0.5" Portable Accuracy - Smallest Scale Ever!