The Vermeer 40″ (101.6 cm) Supreamer takes on the big horizontal directional drilling jobs. ✔ 5.5″ (14 cm) full hole box x pin. ✔Open-bodied design and ruggedly large paddles for exceptional mixing action. ✔Front- and rear-facing shark teeth tooling for aggressive cutting action and ease of pushback when needed. ✔Ideal HDD tooling for sandy soil loam, soft soil, medium soil and hard soil.