... 3,We are SJEC,HYUNDAI,FUJI,IFE Power Supplier 1,T89/B Lift Guide Rail COD.ISO7465:2007MachinedTypeb1h1blk1ncgfm1m2t1t2dd1b2b3l1l2l3vBoltTolerance±0.15A=±0. ... B15.712.32.0959.714.51.985311.91.842.Material:T89/B Lift Guide Rail Item GradeChemical CompositionCMnSiSPQ235B0.14-0.220. ... a brief version. If you want details,please contact me T89/B(13K) Lift Guide Rail,Top Quality,SJEC,Hyundai,Guangri Supplier ...