Note: The color of the product we ship is the color in the first picture, and the specification and quantity are shipped according to the quantity and specification described in the title. If you need to change the color or style, you need to contact us within 12 hours after placing the order. Our product description: Product Features: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information;2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.3.Applications: One-way doors, roller skates, baby carriages, medical equipment, chemical equipment, power tools, mountain bikes, aviation, construction, 3D printers, four-wheel drive vehicles, computer fans, conveyor belts, CNC machine tools, etc.4.Made from Bearing Steel, durability and resistance to deformity under heavy loads5.Simple configuration,high speed,less coefficient of friction,less vibration and noise.Specifications:Product material: Bearing SteelColor: SilverModel:695ZZBrand name: BQLZRSize:5 x 13 x 4mm/0.20 x 0.51 x 0.16inch(ID x OD x Thickness)Weight: 25gPackage include:10 x Deep Groove Ball Bearings Note: Because the model and display effect of the monitor may be different, there may be slight differences in color, and the size is manually measured, there may be an error of 1-2cm, please understand.