Features and Benefits:?Carbide grit edge for abrasive materials?Continual rim for clean cuts?Open back for easy plug removal?Solid, welded construction provides accurately sized holes?Use to install 3" recessed light fixtures requiring a 3-1/8" holeMilwaukee? recessed light hole saws are manufactured using Carbide grit for cutting through drywall, plaster, acoustical tile, wood and stucco with mesh. Made with a continual rim, these saws wont' tear material and will leave a clean finish.