Features:OOTDTY Material: Made of advantageous plastic + solid and durable.Carrying capacity: sturdy and load-bearing.Suitable for furniture, hardware accessories, mobile door, glass sliding door, aluminum door and window, shower pulley and drawers, etc,smooth operate.Rustproof and corrosion resistance, durable.Package Includes:10 pieces of windowSpecifications:Material: Copper+PlasticWeight: 30gSize: As photo showsPackage Includes:10x Sliding Door PulleysNote:1.Please enable 1-2cm errors due to guide measurement, just remember to don't mind before you order.2.Due to the variation between various monitors, the image won't replicate the actual shade of the item.