Reeds are available in a variety of dpi: 2.5 dpi (10/10cm), 5 dpi (20/10cm), 7.5 dpi (30/10cm), 10 dpi (40/10cm), 12.5 dpi (50/10cm) & 15 dpi (60/10cm, allowing you to weave with warps ranging from super bulky or Novelty down to lace weight.