Features:*Made of fine materials, *. material,.*Sliding rollers pulley slot wheels*Replacements in your outdated or broken.*Easy and convenient to install and use.*Perfect , indoor, outdoor, bedroom, room and doors.Specifications:Size: Approx.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 real shade of the article could also be barely different from the images shown on website attributable to many points corresponding to brightness of your video display and lightweight brightness.2. Please allow slight guide measurement deviation for the data.