2g 1.503G 3.521g Stainless Steel Ball for Nail Polish Aerosol Pumps 7.937mm 8.731mm 9.525mm AISI304 Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：Stainless Metal Roller Steel Ball for PE Insert Special Bearings and Pumps AISI304 4.762mm 5.556mm 6.35mm 7.937mm Next：3.175mm 1/8" AISI304 Stainless Steel Balls for Bearings, Stamping / Hydraulic Parts 0.130g
