Product spotlights Feature highlights:Wholesale 4.5mm and 5mm hollow carbon steel stainless steel bearing balls feature high polish, strong antiwear properties, and precise accuracy. Suitable for bearing accessories, machinery repair, and manufacturing applications. Has RoHS certification. Supplier highlights:This supplier is both a manufacturer and trader, offering quality control, full customization, design customization, and sample customization, primarily selling to Thailand, Venezuela, and the Philippines with a positive review rate of 96.7%. Positive retail outlook:The product’s high popularity in retail is underpinned by strong sales performance, consistent top bestseller rankings, and compelling profit margins. Increasing sales growth 200+ units sold +18% from last month Best sellers rank # 2 in Bearings High profit potential Profit margin up to 81% Resell at CN¥64.61 *Based on data from top e-commerce marketplace