This new carat scale from On Balance is professional, compact and portable. It includes a gem tray, locking tweezers, calibration weights and a universal USB power plug all in a zippered hard case. The CTP-250 also has the ability to count pieces.
Capacity/ Readability: 50g x 0.001g
Net weight: 162g
Dimensions: 141 x 75 x 36 mm