... Material:12L14(SUM24L) Dia.:1-25MM Certificate:SGS Report Free-cutting, linearity:can be <0.01MM/400MM Material:12L14(SUM24L)Dia ... .:1-25MMCertificate:SGS ReportFree-cutting,Linearity:can be <0.01MM/400MMMaster Material Sources :JFE ... , Electronic, OA machine, Spring, Furniture and Construction, etc Free-cutting Steel Round Bar,Cold Draw Steel,SGS Certificate,12L14