12.7mm 1/2" AISI440c Stainless Steel Balls for Drawer Slides 8.354G Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：High Grade AISI440c 9.525mm Stainless Steel Ball for Correction Fluid Next：13.2mm 0.519inch AISI440c Stainless Steel Balls for Roller Skates 9.43G
