The Pipe/Tubing Notcher can be used with any hand-held drill or drill press, together with a standard hole saw (not included) up to 2-1/2" diameter. Compound angle adjustment up to 60 degree. Pipe Tubing Notcher Secures Up To 2" Diameter Round Tubing To Notch Angles Of Up To 60 Degrees Use A Standard Hole Saw Up To 2-1/2" In Diameter Notches Up To A 2" X 2-1/2" Rectangular Tube Notches Up To A 2" Diameter Round Tube Create Any Angle Saddle Notch On Pipe For Weld Fit-Up