2 covered trays for brush plating and a third hole that holds a 24" deep tank for a temp. optional product. Each has its own ground clamp and connection for the annode/annodes. The unit is on wheels and the electrical connections comming into it on the left side are removable to disconnect from the control box mounted at the tank cabinet for portability. Storage for related equipment and brush related chemicals in the bottom section. The vise is on a track so it can be moved over each tray to hold the work pirce.