1/4",3/16" AISI1010 steel ball 1.material:AISI1010-1015 2.size:6.35mm,4.76mm.5.55mm,7.938mm,9.525mm 3.grade:G500/G1000 Name1/4",3/16" AISI1010 carbon steel ball for curtain Size6.35mm,4.76mm.5.55mm,7.938mm,9.525mmGradeG1000Quality standardISO9001:2008Featureshining surface with lowest priceApplicationmainly used for housing,decorative and curtainPackage1) 25/kg export cartons2) Steel drums(500kg ...