POM Plastic Bearing Balls, 4.5mm-30mm Metric Coin Ring Making, 1-100pcs, Durable Smooth for DIY Crafts and Industrial Use(25mm 1pcs)

POM Plastic Bearing Balls, 4.5mm-30mm Metric Coin Ring Making, 1-100pcs, Durable Smooth for DIY Crafts and Industrial Use(25mm 1pcs)

• Multiple sizes to choose from - providing different diameter specifications from 4.5mm to 30mm, meeting various needs such as DIY handicrafts, coin and ring making, industrial accessories, etc.
• High quality POM material - made of high-precision POM plastic, with a smooth surface, wear-resistant and durable, ensuring long-term stable use.
• Widely applicable - suitable for various scenarios such as handmade production, model accessories, bearing replacement, toy modification, etc., flexible and practical.
• High cost performance set - each containing 1-100 units, choose according to your needs, affordable, suitable for individual or bulk purchases.
• Precision craftsmanship - Each plastic ball has precise dimensions and uniform roundness, ensuring smooth rolling and stable performance.