Like new RT600E Jib, RT650E, RT640E currently has a stub section for more capacity,(fixed length) but a pullout can be installed (telescopic). Grove RT600E, RT650E, RT640E, JIB EXCELLENT, We also have TMS870 and TMS875 Bifold Jibs, RT875, RT865 Jibs to fit long booms, many others available, call with needs We have many other jibs available, call and we can check our stock.