SUS 440c Stainless Steel Ball Material 10mm Steel Ball 9cr18mo G10 Shandong Xinpai Steel Ball Manufacturing Technology Co., Ltd. Base Info Description Pre：SUS 440c Stainless Steel Ball Material 3/8" 9.525mm Steel Ball 9cr18mo Next：SUS 440c Stainless Steel Ball Material 1/2 Inch 12.7mm Steel Ball 9cr18mo
