Contact Us\nAdd to Favorite\n\nWelcome to\nRedCore\nContact Us\nFast Shipping\nHassle Free Return\neBay Money\nBack Guarantee\nAuthenticity Guarantee\n650pcs Precision Steel Bearing Balls 4-8mm Assorted Sizes  \nFeatures\n--\u3010Size\u3011: There are six kind of ball diameters: 4mm(200pcs), 4.5mm(150pcs), 5mm(120pcs), 6mm(80pcs), 7mm(50pcs), 8mm(50pcs), a total of 650pcs.\n--\u3010Material\u3011: The steel balls are made of high-quality carbon steel, which is strong and wear-resistant.\n--\u3010Package\u3011: Steel balls are sorted by size and packed in transparent plastic boxes for easy storage and access.\n--\u3010Characteristics\u3011: The surface of the steel ball is round, smooth, unchangeable, and durable.\n--\u3010Uses\u3011: It is mainly used for bearings, casters, chains, scooters, motorcycles, bicycles and mechanical equipment.\n \nItem Description\n Steel bearing balls are round, smooth, strong and wear-resistant. It is an ideal accessory for bearings, casters, m