Hole Saw Arbor, Arbor Type Standard, Thread Size 1/2 In. -20, Arbor Shank Style Hex, Arbor Shank Size 3/8 in, Fits Hole Saw Dia. - Imperial 9/16 in to 1 3/16 in, Fits Hole Saw Dia. - Metric 14 to 30mm, Includes Pilot Bit Pilot Bit Included, Pilot Bit Shank Style Hex, Pilot Bit Shank Size 1/4 in. This item has been restricted from sale in the following state (s): []