Solid aluminum bars for connecting two Maxwell Ultra Capacitors together. Features very low resistance and the ability to carry huge amounts of current. Szie: 3.75" long × 0.75" × 0.25" thick. Each bar has 2 M8 holes (0.323" dia) spaced on ~ 2.6" centers to accommodate all ultracapacitors with 60mm body diameter and threaded studs. They also have 4 female threaded tiny holes (2 on each side of bar, however thread size unknown). Used good physical condition but may have a few scratches or slight discoloration.