Made from solid galvanized steel and dual nylon rollersMaximum capacity 2-5/16 inches, overall stand dimensions: 2.4 inches high x 5.7 inches wide; roller diameter: 1.2 inchesEasily installs on the stud and secures with 1/2inch boltsPerfect for your garden sliding gates and patio fences. Reinforces and prevents sliding doors from falling off tracksSliding door guide wheels with L-post bracket are suitable for most sliding door types and fences, please make sure your door width is less than 2-5/16 inches before placing your orderQuantity:2PCSColour:Metallic & WhiteMaterial:Metal+nylonPackage Contents:2 * Guide wheelOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.