19.0mm 0.748inch AISI420/440/440c Stainless Steel Balls for Agitators, Sliding Rails Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：17.5mm 0.688inch AISI304 Stainless Steel Balls for Rollers 13G Next：20.5mm 0.807inch AISI304 Stainless Steel Balls for Plastic Hardware 35.139g
