Review on 🔧 Accurate Blind Mark Drywall Electrical Box Cutout Tool with Powerful Rare-Earth Magnetic Targets - Includes Locator Kit for Precision (3 Magnetic Targets + 6 Targets + 2 Case) by John Milligan

This is a good accessory to help you avoid the constant measuring when installing drywall, but it's not perfect. While the magnets helped determine where the exit was in relation to the drywall, the biggest problem I had was that after cutting out the exit, I had to cut out an extra area for the drywall to fit properly. Overall, this product gives a good indication of where the outlet is on the wall, but it is not accurate and additional cuts are expected to be required to properly fit the drywall. This also means there may be extra space around the outlet that needs to be covered and sealed with tape.