The Vermeer 5" (12.7 cm) x 11.66" (29.6 cm) chevron drill bit is a tough Vermeer original for your horizontal directional drilling job. ✔Imposing split-faced design. ✔High-quality tungsten carbide inserts offer cutting relief to effectively penetrate hard-packed ground. ✔Ideal HDD tooling for most conditions, especially packed clay, hard-pan and caliche.