570 Pieces Precision Balls, Bearing Stainless Steel 10 Sets of Balls 2-7 mm

【High Quality】Stainless steel balls are made of 304 stainless steel, which have higher corrosion resistance and rust resistance than ordinary carbon steel ball, with high hardness and long service life. 【Quantity】: 2mm (80pcs), 2.5mm (80pcs), 3mm (80pcs), 3.5mm (80pcs), 4mm (60pcs), 4.5mm (60pcs), 5mm (40pcs). ), 0.21 7 inch (40 pieces), 6 mm (30 pieces) and 7 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】: Bearings balls of the same size are first packed in plastic bags, and then sorted 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 search. 【Widely used】: Bearing balls are widely used in the maintenance of bicycles, skates, wheels, motorcycles, automobile industry, pump and valve industry, mechanical equipment.