tumbling machine placed

  • Thumler's Tumbler Rock Polisher

    Any way, the tumbler will mimic the ocean and smooth glass edges only in a much shorter time. Glass is ready in about 8-12 days using the three included grits of abrasive that are included with the machine. There is enough for about (2) batches. It will take at least 20-25 days to smooth the included sample of rocks. The machine is stamped ...