features and benefits:
- bi-metal construction allows blades to bend and flex without breaking
- new, patented hole saw design keeps lenox ahead of the competition
- shatterproof and shock resistant
- patented variable tooth set and height ensure that each tooth works independently, with super efficiency
- lenox's unique tooth shape evenly distributes cutting force over a wider area of the tooth
virtually indestructible, this bi-metal wood amd metal hole saw will cut faster and cleaner and last longer than other hole saws.