This versatile and convenient hole cutter enables the professional installer to cut variable size holes with speed, efficiency and minimal clean up. Perfect for cutting multiple speaker or recessed lighting holes, this tool will save you hours of installation time. Simply adjust the hole cutting blade to the desired hole size, mark the desired location of the hole and go to work. A built-in pilot bit enters the target material and centers the cutter in the desired position while the dust tray encloses the cutting arena. Capture the cutting debris as you cut no more dust cloud with debris everywhere!