Have the necessary tools for this DIY project lined up before you start—you’ll save time and frustration.
- Cordless drill
- Tape measure
You'll also need a 1/2-in. brad point drill (for wood doors) or a standard 1/2-in. high-speed steel bit (for metal, fiberglass or composite doors).
Avoid last-minute shopping trips by having all your materials ready ahead of time. Here's a list.
- Peephole (available from home centers and hardware stores)