Stainless steel, mild steel, aluminum, copper, brass, fiberglass and plastics
Use With Greenlee Bimetal Hole Saws, Recessed Light Hole Saws And Carbide Grit Hole Saws (Carbide-Tipped Pilot Drill Sold Separately), Can Be Used With Greenlee No 901 Or 904 Bit Extensions, 1-1/4 IN - 2.000 IN (31.800 - 50.800 MM) Hole Saws