Base plates are used to attach optics to the optical tables or breadboards. Base Lab Tools offers bases that are high quality and priced fairly to accommodate any laboratory setup. Our post holder to breadboard mounting base plates provides a mounting surface for standard posts and post holders. Our optical base plates provide flat, stable mounting to a variety of surfaces including breadboards and optical tables. These post holder base plates are compatible with Base Lab Tools posts and post holders. Likewise, we provide larger mounting brackets for mounting plates and components at 90° angles to one another.