*Bi-metal construction for heavy duty cutting.*Variable pitch teeth for faster, smoother cutting and less vibration.*Longer lasting design for more cuts per saw.*Cutting depth to 1-1/2" and 1-7/8".*Di
Features:1) M3 / M42 bi-metal hole saw for heavy duty cutting2) Variable pitch teeth for faster and smoother cutting, and less vibration3) Cutting depth: to 1-1/2" (38mm) and 1-7/8" (47mm)4) Diameter: