The 1 In. SHOCKWAVE IMPACT DUTY Hole Saw by Milwaukee is a high-quality power tool accessory designed for efficient drilling. Made from High Speed Steel with 8 teeth per inch, this hole saw can make precise holes up to 1.8 inches deep. The hex shank design ensures a secure fit in the chuck, while the included arbor allows for easy centering. This individual drill bit is versatile for multi-purpose use and is backed by a 90-day return policy for added peace of mind.