Soft Ball Low Carbon Steel Ball 8mm 20mm 24mm 32mm Guangzhou Decok Steel Ball Co., Ltd. Base Info Description Pre：Low Price HRC 58-66 8.75mm 12.7mm 15.875mm Hardened Steel Balls Next：AISI1010 G10-G1000 0.5-50.8mm 20mm 25mm 40mm 50mm Carbon Steel Ball
