High Precision Ball Bearing 4.4mm 4.762mm Steel Ball Mr63 Mr63zz with Fan Price 0.347g 0.440g Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：Stainless Steel Balls Outdoor Sports Shooting Metal Beads Hunting Slingshot Steel Balls Catapult 8mm 9mm Precision Steel Balls Next：4.5mm Carbon Steel Ball AISI1010-1015 Carbon Steel Ball for Bicycle and Automotive Components Ball 0.371g
