QBit SQ1000-4X4 Outlet Box Saw Blade for Oscillating Power Multi-Tools Specifically Designed to Cut-in 4" X 4" Boxs ------ Are you tired of over cutting your drywall using a reciprocating or drywall saw? ------ The SQ1000-4x4 will Cut-in exact rectangular-holes in seconds. --- If your job requires you to cut-in wall boxes in drywall or ceiling, the QBit is for you. --- Fits on virtually all Oscillating Power Multi-Tools and turns it into a hole making machine! --- Unlike a drywall saw which leaves unsightly ragged edges, the QBit makes a perfect hole every-time and it does so quick and efficiently! American Engineered & Made in the USA. We highly recommend that you invest in this tool! ------ PERFECT FOR: Anyone who needs to make single gang rectangular-holes in drywall for wall boxes, including: High Voltage Tech - electricians, , Bosch makes a little adapter (OIS001B) for less than $4 that allows you to adapt to the standard size (which we don't stock or sell). ------ Does NOT include: Oscillating Power Multi-Tool or adapter, which is only pictured to display how the tool works. ------ WARNING: Always wear approved eye protection.