Hole Saw Kits, Hole Cutter, Primary Saw Application Metal, Range of Saw Sizes 2 in to 20 in, Max. Cutting Depth 1 1/8 in, Arbor Design Arbor Not Included, Tooth Material High Speed Steel, Saw Sizes Included Adjustable 2 in to 20 in, Number of Teeth Not Applicable, Thread Size 1/4 in, Replacement Arbor No. Mfr. No. CB, Pilot Drill Size 7/16 in dia, Replacement Pilot Drill No. Mfr. No. CB, Application Sheet Metal and HVAC. This item has been restricted from sale in the following state (s): []