Dewalt D21585 QS - 2500 W, 3 Speed Wet Drilling Motor is an ideal option for heavy-duty electrical, plumbing, HVAC or general construction applications over concrete, stones, etc. 3 Speed Wet Drilling Motor has an integrated swivel for core drilling through any type of material up to 250 mm. It operates on a high powered motor that can perform heavy-duty drilling. Dewalt D21585 QS has three mechanical speed mechanism. It comes with overload and thermal protection that helps in extending the life of the tool. In additional accessories, the automatic clutch is included for safety purpose.