Jim Posten Slimm-Jimms 30" and two 6" back bars carbon rod stabilizers with chrome ends. $125 or best offer. SlimJimmz ~ Now with stiffer carbon ~ are the ideal choice for the archer who wants extreme resistence to movement and unlimited balance options while trying to keep their rig light. Each bar includes the standard 3 piece weight set with the option to add more weight if needed. Standard options include beautiful woven carbon and silver ends.