Greenlee 37156 Hole Saw Arbor, 7/16-Inch Hex Shank for 1-1/4-Inch to 6-Inch Hole Saws,Greenlee,37156" /> The best arbor in the industry ensures a solid connection without any gaps or wobbling Arbors include replaceable, high-speed steel pilot drill Pilot drills have unique split-point tip design Use with Greenlee bimetal hole saws, recessed light hole saws and carbide-grit hole saws Can be used with Greenlee 901 or 904 bit extensions