Diablo, 7/16'', Hole Saw Arbor, 60 mm 2-3/8" Cutting Depth For Deeper Holes In 1 Pass & Increased Productivity Snap Lock Mandrel System For A Quick & Easy Change With No Down Time, 1 Size Fits All Mandrel Fits All Diablo Hole Saws, From 5/8" To 6" In Diameter Tool Free Plug Ejection For Fast Material Removal.