- 2X more durable with 50% longer life than previous Lenox hole saws
- Increased wall thickness improves durability and minimizes tooth loss
- Optimized tooth design penetrates metal with ease
- Larger, sharper teeth for faster cutting
- Speed Slot staircase design for easy plug ejection
![Lenox Bi-Metal Speed Slot Arbored Hole Saw, 1-7/8" #1772778 (1/Pkg.) Lenox Bi-Metal Speed Slot Arbored Hole Saw, 1-7/8" #1772778 (1/Pkg.)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/139212/183995/LenoxHoleSawArbored__39887.1445526023.jpg?c=2)