Balance Scale For Weighing Diamond & Gem StonesThis is a new balance scale that mounts on the wooden case. It can weigh units of 0.01 to 50 carats or 10 grams of gold. This balance scale has a capacity of 50 carats. The wooden case stores away in a leather pouch. You receive: 12 Calibrated weights. One pair of mini tweezers. One hardwood case that measures approximately 3 1/4" x 2 1/8" x 1 1/4" (82 x 53 x 31 mm).