... Steel Balls4) Precision Steel Balls5) Hollow Brass/ Copper Ball 6-500mm6) Grinding Steel Balls7) Hollow Steel Balls 19-2100mm8) Semi- Stainless ... Steel Beads15)Large Stainless Steel Sphere16)Brass Ball 4-500mm17)Hollow Copper Ball 6-500mm18)Brass Hemisphere We could help ... if you have any problems. stainless steel Floating Spheres (hollow spheres, polished stainless steel spheres, floating sphere))