AISI304 SS316 Ss420 Ss440c Solid/Hollow Drilled Stainless Steel Ball with Hole 11/16" 17.463mm Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：Copper, Zin, Nickel Coating Steel Ball with Through Hole 50mm*4mm 50mm*6mm 30mm*6mm 30mm*8mm Next：SS304 Stainless Drilled Steel Ball with Through Hole 15.8mm 20mm 25mm 30mm
