Sealing balls designed specifically for the larger 5cc macrotubes. These are steel or glass beads slightly larger than the inner diameter of the macrotube. Priced and sold individually with a minimum order of 100.
Sealing balls designed specifically for the larger 5cc macrotubes. These are steel or glass beads slightly larger than the inner diameter of the macrotube. Priced and sold individually with a minimum order of 100.
