[Package and Size]: Wheel Size: 88x20mm / 3.46x0.79inch (Dia*Width); Overall Size: 160x34mm / 6.3x1.34inch(L*W); Installation Hole Distance: 135mm / 5.31inch; Package List: 2Pcs x Sliding Door Pulley [Material]: The sliding gate wheel is made of solid steel material. The thickening process enhances the carrying capacity of the pulley, which is resistant to extrusion, impact, corrosion, and wear [Gliding Smoothly]: This pulley features internal bearings that allow the rollers to spin quickly and quietly, allowing doors to open easily without making noise or damaging the track [Easy to Install]: The pulley is easy to install. You only need to mark the hole positions, drill 2 holes in the door with a drill, insert the expansion tube into the holes, and finally fix the pulley with screws to complete the installation [Wide Application]: The sliding door pulley has strong load capacity and wide range of applications, suitable for all kinds of home sliding doors, screen doors, plastic patio doors, and industrial machines, etc Color Gold Brand Name uxcell Unit Count 2.0 Count Part Number a25011100ux1126 Manufacturer uxcell