The cabinet brake set is a piece that is added to the upper trolley system, allowing the trolley to have a smoother ride when closing and also a smoother movement when pulling the door. With this piece the doors will not move without the force applied to it, due to this it is necessary to choose the one indicated for the passage of the leaf, having options of 25, 50, and 85 kg. They can also be purchased for 2 or three doors. The manufacturing material is plastic and aluminum in the most resistant parts, the number of pieces per package is 4 and the packaging consists of one set.