12.7mm 1/2" Soft Carbon Steel Ball AISI1010-AISI1015 Qualified Carbon Bearing Balls Steel Balls 8.3G Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：12.0mm Soft Carbon Steel Ball AISI1010-AISI1015 Stainless Carbon Chrome Steel Balls for Bearing 7.042g Next：13.0mm Soft Carbon Steel Ball AISI1010-AISI1015 Chrome Bearing Steel Balls/ Carbon Steel Balls/ Stainless Rolling Element 8.961g
