Main Features Cut-in single and double gang boxes quickly and effortlessly.Four blades are cutting at the same time, fast and simple, and the cutting surface is very smooth and tidy. Precisely create a single gang size of 2-3/8âx 3-3/4âor double gang size of 3-3/4âx 4In the drywall,perfect for plastic, metal or low-voltage electrical boxes mounting. Fine and clean cutting makes the socket installation easier! High qualitystainless steel constructionand laser cutting technology for durability and long life. Compatible with most industry standard oscillating multi-toolsin the market, such as Dewalt, Dremel, Makita, Porter Cable, Ridgid, Rockwell, Fein Multimaster, Ryobi, Milwaukee, Chicago, Genesis, Craftsman etc. Suitable for plasterboard, dry wall etc. Make single gang or double gang rectangular holes in drywall for wall boxessuch as high and low voltage tech, electrician, telephone, alarm/ security, CCTV/ IP camera, antenna, automation, home-theater including CEDIA members, HAVC, drywall contractor/ installer, etc. Used for 18V, 20V or corded oscillating multi-tools (some need an adapter). It will notwork on 12V systems. Specifications Note