Drilled two holes thru 1 ft. Brick walls! Holes should be lined with sdr 35 pipe, schedule 40 will not quite fit! The drill performed well though you can smell thos brushes going bad! Everything is low quality but it does work! I used lag shields and bolts to anchor the base for horizontal drill. The hose connector is a weird size I just duct taped it to garden hose! The motor runs a bit fast. I bet with a bigger bit it can get real hairy! The cord unfortunately did wrap around the advance lever, recommend putting the lever on the opposite side to avoid this unfortunate circumstance.Definitely not a knock off of a name brand but the drill worked fantastic all things considered! Thank you china for producing this, the rental yards here suck so this was my best option! Drilled my holes for much less than hiring out. And now can drill more when I need!