This start up package can be used with most all brands of floor machines from 13" wide to 17" wide. Why use a glide brush? This is because the stainless steel dome in the middle of the brush supports the weight of the floor machine and the brush are a little softer than some others. This means that this brush takes half as much torch to turn as full faced brushes and is recommened for floor machines that do not offer the full 1-1/2 Hp motors. The lighter motors mean it is easier to take in and out of your service truck. Includes the following 3 items: Includes one each of the below items: