AMT30033 Features: -Our new, patented hole saw design keeps us ahead of the competition. Heres why: Lenoxs unique tooth shape evenly distributesd cutting force over a wider area of the tooth. Plus, our patented variable tooth set and height ensure that each tooth works independently, with super efficiency.. -BI-METAL BOXED. -Lenox hole saws are virtually industructible.Cut faster and cleaner and last longer than other hole saws. -UNSPC CODE: 27112802. Product Type: -Jig. Product Type: -Recip.