This is an assortment of the most common sash balance top and bottom guides. It contains the 2 most common top guides and 3 of the most common bottom guides. It also contains 2 rivets to install the top and bottom guide of your choice. In addition, there is one take-out clip. Most of the time this kit will provide what is needed to finish installing 1 sash balance. Be sure to order the H 3740 riveting tool.