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✅ [Material]: Made of high quality steel, which is hard, anti-rust and durable. High-hardness and high-precision. Smooth surface give you comfortable touch.
✅ [Most Popular Size]: 16 different size for you to choose: 1mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, total 330pcs. All bearing balls are packed in a storage box avoiding mess and loss. The sixteen-size assembly can meet most of your bearing needs in life.
✅ [Product Function]: These bearing balls are installed between the inner ring and the outer ring to reduce friction when the bearing rotates. It can strength the protection to machine and extend the service life.
✅ [Applications]: It can be used in humid environments. Suitable for auto parts, bicycles, valves, refrigerators, air conditioners, bearings, photographic equipment, drawer slides and many other applications.
✅ [After-Sales Service]: Any questions or dissatisfaction about our products, free come to us for help. We will deal with the problem for you in time.

Product description

16 different size for you to choose, which can meet your various needs.

Widely used in humid environments. Suitable for auto parts, bicycles, valves, refrigerators, air conditioners, bearings, photographic equipment, drawer slides and many other applications.