Clean and Precise Cuts: Hole saw cutting accurate, tidy and smooth holes, clean edges, no broken edges and no tremor phenomenon.Dust Collection and Mess Free: Hole saw built-in dust collection bowl is a lifesaver. Dust bowl catches the majority of dust and debris. It kept the work area surprisingly clean, saving you tons of time on cleanup. Plus no more dust in the eyes and junk in your hair when drilling overhead.Package Contains: 1 pc 6-1/8 inch hole saw, 1 pc matching dust bowl, 1 pc arbor (with 1 drill bit), 1 pc replacement drill bit, 1 pc hex keyHome improvement: for remodeling, renovating, or upgrading a home. Hole saw to cut precise such as installing recessed lights, can lights, ceiling lights, corn hole boards, speakers, vents, wiring, and other fixtures.Application: This Bi-metal hole saw is designed for drilling various materials, including wood, PVC, plywood, aluminum plate, gypsum board, plastic pipe, fiberboard, cable-ring hole, embedded lamp and can carry out light hole drilling.