3.3mm 0.129inch AISI316L Stainless Steel Balls for Door Locks 0.146g Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：3.1mm 0.122inch AISI316L Stainless Steel Balls for Medical Instruments 0.121g Next：3.4mm 0.133inch AISI316L Stainless Steel Ball Military Industry 0.160g
