A convenient multi-purpose hole saw for general contractor cutting applications. Attached 7/16 in pass-through shank arbor is a time saver. Cutting depth is 1-1/2 in and requires 4-5/16 in pilot drill.Positive rake teeth for more aggressive cuttingDeeper gullets for better chip clearanceBetter tooth match for smoother cuttingVariable pitch teeth reduces friction and heatNo separate arbor required1-1/2 in cutting depth will cut through a 2 x 4