ZW 420007 Diamond Selector Gemstone Tester - Black (1 x 6F22)
Brand ZW Model 420007 Quantity 1 Color Black Material Plastic Features To estimate the thermal conductivity by Mohs hardness minerals can also be used to identify jade excluding feeder and water stone. Application Identification of genuine and fake diamonds Other Mini size and portable; Easy operation; Power supply: 1 x 6F22 (included); When indicator is dark means it will out of power please replace battery in time. Packing List 1 x Diamond selector 1 x Artificial leather case 1 x English user manual 1 x 9V 6F22 battery 1 x Stand