These 608 steel ball bearings are a reliable and versatile choice for a wide range of mechanical applications. Each bearing measures 8mm x 22mm x 7mm (0.31 x 0.87 x 0.28 inches), conforming to the standard 608 size specification, making them compatible with fidget spinners, skateboards, DIY projects, and various other mechanical assemblies. Crafted from durable alloy steel, these bearings are built to deliver smooth, quiet, and long-lasting performance under regular use. The open design allows for easy lubrication with compatible oils, helping to maintain optimal performance over time. This set includes 10 bearings, providing excellent value whether you need replacements or are stocking up for multiple projects. With a total weight of just 0.22 pounds for the set, they are compact and easy to store. Whether you are a hobbyist, engineer, or DIY enthusiast, these high-precision ball bearings are a practical addition to your toolkit.