Stainless Steel Balls 12.7mm 1/2inch AISI304 for Aerospace and Military Industry Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre:10.319mm 13/32" AISI304 Stainless Steel Balls for Agricultural Backpack Sprayers 4.481g Next:11.0mm 0.433inch AISI304 Stainless Steel Ball for Agricultural Backpack Sprayers 5.428g