The Roto-Saw+ can cut difficult building materials including rebar and granite. It can be used as a cutout tool, a cutoff grinder, a flush-cut saw, and a hole saw. With attachments and accessories, it also can be used as a tile-cutting wet saw or a jigsaw. Its dust-management system hooks up to any shop vacuum, limiting airborne debris. RotoZip. 877-768-6947.