Multi-tool attachment head for cutting double gang boxes in drywall for existing construction (old work) boxes. This electrical wall box cutter features the following:

Easily cuts drywall in just seconds to make installation of electrical boxes quick and easy
Must be used with an oscillating multi-tool and is compatible with most industry-standard multi-tool power tools
Used for installing plastic existing construction (old work) boxes and low voltage plates
Made of stainless steel for high durability and long life
Cuts a rectangular hole with dimensions: 4- wide x 3 3/4- high