Tee Forming Machines have been perfected by T-Drill who has been manufacturing these invaluable tools since 1969 and has been represented in Canada since 1982, by MAG Tool. The T-54c battery operated hand held T-Drill is capable of producing 1/2” - 2“ branch outlets in up to 6” Copper and Stainless run tube, ( wall thickness dependent ). The Plus 100 extends the T-Drills capacity to a maximum of 4” branches out of 8” run tube in Copper and Stainless Steel