Cut clean and accurate holes for electrical installations with the Hikoki 752175 hole saw set. This 9-piece bi-metal kit includes 6 hole saws ranging from 22 mm to 82 mm, tailored for conduit entries and 68 mm back boxes. With the two included mounting arbors, pilot drill bits, and adapter, you are fully equipped to drill through wood, drywall, plastic, steel, and non-ferrous metals. The durable storage cassette keeps your cutters protected and neatly organized on every job site.