MiniTrencher SiBore SB216 Drill with Honda Engine - SiBore Drills are fast and lightweight sideway boring augers ideal for landscapers, sprinkler system installers, plumbers, electrical contractors, trenchers, and tool rental companies. The SiBore Drill is compact enough to be thrown in the trunk on the way to the job site. It is powered by a Honda multi-position, 4 cycle engine. Holes ranging from 2” and 4” in diameter can be drilled under a standard sidewalk in less than five minutes.