2 Pieces Bosch PCM38 3/8-Inch Bi-Metal Power Change-Cutter Hole Saw Mandrel.
Positive lock design minimizes wobble Hex shank pilot bit easily pushes out plug Heavy-duty hex shank easily snaps into mandrel Progressor tooth geometry for super-fast cutting action Shipped in a small US Flat Rate Priority Mail Box (**Please note Clamshell packaging will be bent (top portion) to fit inside of the Priority Mail Box, Product remains unopened in brand new condition.)