The Cayken CY-5050 is designed for wet or dry core drilling and comes with the Cayken 200F adjustable aluminum stand. This drill will cut up to 20-inch holes in reinforced concrete, brick, stone, rock, ceramic, and fireproof materials. This drill has a 7.2 HP motor with three (3) gear speeds. Spline is 1-1/4 in. x 7 TPI. Drill features safety clutch and overload protection. Package includes wrench set, two (2) motor brushes, and 1/4-inch water valve with shut off.