Available in both two rod and three rod versions, the two rod options are 4.5, 5, and 5.5 (closed lengths) while the three rod options are available in 8, 9, 10 and 11. The extending bars are manufactured from black anodised aluminium with a machined flat along the bottom ensuring stability when locked into position. They also feature alignment marks to make life easier and a no-lose feature, just in case.