Features:100% Brand new and high qualityOffset holes through nuts and washers to allow height adjustmentMainly usded in bathroon shower door show pulley Specifications:Material: Nylon+Stainless SteelMain Color: WhiteDiameter of the wheel: 20mm/25mm (0.79\\/0.98\\)Glass Mounting Hole Diameter: 12-15mm/0.47-0.59\\Glass thickness: 4-8mm/0.16-0.31\\Quantity: 8 Pcs/1 Set ote:Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bidDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank youo Retail PackagePackage Contents:8 x Shower Door RollersAbout 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 usDuring 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 shoppingThanks for your cooperation and we'll make you feel satisfied.