... of wire to high-level precision steel ball.MAIN PRODUCTS:1. Stainless steel ball, with material AISI304, 316, 420C, 440C2 ... are widely used in several industries, such as hardware, sliders, ball bearing lead screw, wheels, toys, bicycles, bearings, trust ... , ChinaDeliveryWithin 30 days or confirmed while placing order European standard Zinc Plated 25.4mm Steel ball made by professional manufacturer