Festool innovations include the first portable chainsaw, the orbital sander, the portable circular saw with guide rail (called a track saw), and the Domino jointer. Festool products are designed to work together as a system. They can be stored in modular plastic containers (called 'systainers') that are produced by their sister company Tanos, and to have multi-function parts such as guide rails usable for stationary work and guiding the motion of power tools.