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.The pulley bearing is made of steel, the bearing model is 696ZZ, the outer part is made of white plyoxymethylene material, with U type groove, beautiful appearance, reliable and durable.4.Size: Pulley: 6x24x9mm/0.24x0.94x0.35inch (IDxODxT)Slot: 3x6.4mm/0.12x0.25inch (TxW)Arc: 3.2mm/0.13inch5.It can bear 77KG.6.Suitable for sliding doors, sliding windows, 3d printers, etc.Specifications:Material: Plyoxymethylene & Bearing steelColor: WhiteBrand name: leopardSize:Pulley: 6x24x9mm/0.24x0.94x0.35inch (IDxODxT)Slot: 3x6.4mm/0.12x0.25inch (TxW)Arc: 3.2mm/0.13inchWeight: 46gPackage include:8 x Bearing Pulley Wheel About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia