4.763mm 3/16inch AISI440c Stainless Steel Balls for Switch 0.440g Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：3.5mm 0.137inch AISI440c Stainless Steel Balls for Contact Balls 0.174G Next：5.0mm 0.196inch AISI440c Stainless Steel Balls for Toys 0.509g
