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How to pick

  • Insulation board on a wall or roof: the KD-5H hot knife.
  • Letters, models and repeat shapes: the KD-6 wire table.
  • Fine carving in craft foam: an H21 pen.

Good to know before you buy

  • Hot tools are for short runs with rests. They are not built to cut all day.
  • Melting foam gives off fumes. Work outdoors or with a fan.
  • Thin blades bend if you push. Let the heat cut.