Features:*Made of wonderful materials, *. material,.*Sliding rollers pulley slot wheels*Replacements to your old or broken.*Easy and convenient to put in and use.*Perfect , indoor, outdoor, bedroom, room and doors.Specifications:Size: Approx. 6.4cmx1.4cmx1.35cm/2.52inchx0.55inchx0.53inchMaterial: Stainless steelPackage Contents:1 x Door Sliding RollerNote:1. The genuine color of the article may be barely diversified from the photographs proven on web content attributable to many points corresponding to brightness of your computer screen and light brightness.2. Please allow slight guide measurement deviation for the data.