The Vermeer 2.875-in (7.3-cm) API Armor Lance bit assembly includes bit, one retention pin, two o-rings and two cap screws. ✔5-in (13.4-cm). ✔Ideal HDD tooling for hard-packed soil, gravel and cobble. ✔Scoop design for better steering capabilities. ✔Enhanced operator control to limits wandering in challenging ground conditions. ✔Carbide buttons and robotically applied hard facing help improve overall bit wear in most abrasive drilling conditions.