3.1mm 0.122inch AISI316L Stainless Steel Balls for Medical Instruments 0.121g Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：2.98mm 0.117inch AISI316L Stainless Steel Balls for Chemical Industry 0.107g Next：3.3mm 0.129inch AISI316L Stainless Steel Balls for Door Locks 0.146g
