The Texture and shape plates, when used with the base will be screwed into place. We have made this screwdriver available so you can have a designated tool to allow you to switch out your plates. This is a standard Size #1 Phillips head screwdriver, with a magnetized tip to aid in ease of use. If you have one already, you do not need this. However, using the right size screwdriver is important for the extended life of your screws.