GemOro Platinum PCT251 Digital Counter Top Portable Carat Jewelry Balance Scale 250ct x 0.005, g, dwt, oz, ozt and gn Large stainless steel weighing platform & bright blue backlit display Push button digital calibration, tare, memory, low battery indicator and battery saving auto-off functions Innovative low profile tinted draft shield manually expands for weighing large diamonds, gemstones and parcels Durable ABS construction with EZ-grip rubberized paint finish