These are size 6/0 czech metal seed beads sold per 6" tube. All Czech metal seed beads are either brass or a heavily plated brass that is wear resistant.
Bead size is approximately 4x2mm
Tubes contain approximately 40 grams of beads
Note that while we try our best to make our product images as accurate as possible, due to differences in monitors, platforms and operating systems our images may be more accurate on some screens than on others. We know that jewelry is a highly visual industry so please feel free to contact us for additional images or more information on any of our products before making your purchase.