These are authentic Serta parts for the Motion Plus and Motion Perfect Adjustable Bed Series. They are going to work with the Serta Motion Plus or the Motion Perfect 1.0, 2.0, II, and III adjustable bases. We include instructions to help install the brackets in addition to all the pieces shown in the picture. Serta has made over 50 bed bases through the years so you should you should definitely have the correct model. These are expensive to ship because of the weight and you’re going to be responsible for any return fees if you ordered the incorrect model. In case you are unsure contact me prior for help looking up your serial number.