Low Cost 6.35mm 7.14mm 8mm 9.5mm 10mm Carbon Steel Small Pinball Guangzhou Decok Steel Ball Co., Ltd. Base Info Description Pre：China 0.4mm 0.6mm 1inch Ball for Bearing Material Stainless Steel Standard 304 440 Next：Through Drilled Steel Ball Bearing Stainless Steel Ball with Hole Threaded Metal Ball M3 M4 M6 3mm 6mm 8mm 9mm 10mm 26mm 30mm
