General purpose carbide hole saw kit features five carbide hole saw cups and four-piece SnapLock PLUS mandrel system for quick and easy hole saw cup changes for maximum job performance. Cuts wood, nail-embedded wood, and metal using the same hole saw cup. Features 2-3/8 In. cutting depth for deeper holes in one pass and increased productivity, tool-free plug ejection for fast material removal, and one-size fits all mandrel to fit all Diablo hole saws from 5/8 In. to 6 In. diameter. Ideal for drilling wood, plastic, aluminum, metal, and stainless steel. Includes: (1) 1 In. carbide hole saw, (1) 1-1/8 In. carbide hole saw, (1) 1-3/8 In. carbide hole saw, (1) 1-1/2 In. carbide hole saw, (1) 2 In. carbide hole saw, (1) SnapLock PLUS mandrel, (1) pilot bit, (1) 5/8 In. threaded adapter to fit diameters 1-1/4 In. to 6 In., and (1) 1/2 In. threaded adapter to fit diameters 9/16 In. to 3-1/16 In.