The Milwaukee® Adjustable Hole Cutter Replacement Blade and Pilot Bit set offers replaceable components for the Adjustable Hole Cutter (49-56-0320). Included in the set are two replacement blades, a replacement pilot drill bit, and a hex key to easily replace parts. The replacement blades are optimized for quick and smooth cuts. Chose the Milwaukee® Adjustable Hole Cutter Replacement Blades and Pilot Bit set for applications in drywall and ceiling tiles including recessed lights, audio speakers, fire and security systems, and clearance holes.