Stainless Steel Ball with Hole Drilled Steel Ball for Special Valves Ball Transfer Units 12.7mm 19.05mm Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：Threaded Steel Ball with M3 M4 M5 Hole for Oilers Andgreasers 8.731mm 9.525mm 12.7mm Next：Stainless Steel Drilled Steel Ball for Electronic Industry, Pharmaceutical Industry, Medical Equipment Industry
