High Pure Silicon Rod, 20 Mm Diameter, 80 Mm Length Packsize, > 99.99% , Cas No. : 7440-21-3 , High Pure Rutheniumpellet, 5 G Pack Size, > 99.99% , Cas No. : 7440-18-8 , Highpure Gallium Metal, > 99.90% , 50 G Pack Size, Cas No. :7440-55-3 Quantity: 13