570 Pieces 304 Stainless Steel Precision Bearing Balls 10 Sets of Ball 2 7mm

【HIGH QUALITY】: The stainless steel bearing balls are made of 304 stainless steel, which have stronger corrosion resistance and rust resistance than ordinary carbon steel ball, with high hardness and long service life. 【VALUE PACK】: Precision balls have several sizes including 2.0 mm (80 pieces), 2.5 mm (80 pieces), 3.0 mm (80 pieces), 3.5 mm (80 pieces), 4.0 mm (60 pieces), 4.5 mm (60 pieces), 5.0 mm (40 pieces), 5.5 mm (40 pieces), 6.0 mm (30 pieces) and 7.0 mm (20 pieces) in the package. There are 10 sizes and 570 pieces of goods in total. 【DELICATE DESIGN】: The steel ball adopts the design of polishing technology, with smooth and round surface. 【PACKAGE】: The bearing balls of the same size are first packed in plastic bags, and then classified and packed in transparent plastic boxes according to their sizes. It is unlikely to roll randomly and mix with balls of other sizes. Therefore, it is easy for users to store and fetch. 【USED WIDELY】: The bearing balls are widely used in the maintenance of bicycles, skates, casters, motorcycles, automobile industry, pump and valve industry, mechanical equipment.