Shibuya RH-1531: Looking for raw power mount this powerful little core drill on the optional column and base and unleash it full potential. This little powerhouse will drill a 6-1/2 when mounted. Open the concealed side door and change Rig/Hand held mode switch and Use the Drill in the 2900 RPM mode and drill up to 4 holes hand held. GFCI and Slip clutches keep your operators productive and safe while working. Easy to see bubble levels help keep your holes strait and level. Variable speed hand held trigger for easy bit starting. Move the water connection to one of the 3 convenient locations water flow/shut off valve included. The RH-1531 can be used Wet or Dry. Keep all your accessories and bit adapters in the included caring case. The RH-1531 is ideal for drilling concrete reinforced concrete brick block and stone. This heavy-duty wet and dry diamond core drill has high torque output. Lifetime Free Clutch Adjustments** included with the drill just ship the drill back to DITEQ and we will inspect the drill and Adjust the slip clutch.