High protective efficiency,good property of atomosphere corrision resistant. diameter:0.8mm,0.9mm,1.0mm,1.2mm,1.6mm,2.0mm,2.4mm,2.5mm,3.2mm,4.0mm,5.0mmweight:15kg/spool,12kg/spool,5kg/spoolER308,ER308L,ER309,ER309L,ER309LSi,ER316,ER316L,ER316LSi etc.