Breezliy 304 Stainless Steel Ball 620Pcs 1-8mm Metric Precision Assorted Loose Bicycle Bearing Steel Ball Assortment Kit?12 Sizes?

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• [12 sizes of bearing balls] The precision steel bearing ball classification kit contains 12 sizes: 1mm2mm2.5mm3mm3.5mm4mm4.5mm5mm5.5mm6mm7mm8mm, total 620pcs, and packed in a plastic box, they are easy to distinguish.
• [Product function]: These bearing balls are installed between the inner ring and the outer ring to reduce friction when the bearing rotates. Will reduce the damage to the machine and extend the service life.
• [Performance] The surface is coated with a small amount of grease to improve lubrication and prevent corrosion and rust. It is suitable for humid environments. The heat treatment process makes the bearing ball very strong, not easily deformed for a long time and can withstand voltage.
• [High-quality material] It is made of high-quality 304 Stainless steel, high-precision machine, corrosion-resistant, high-precision, high-hardness, smooth and burr-free.
• [Wide application] Widely used in motorcycles, bicycles, casters, household furniture, door locks, drawer slides and many other applications.