or with the ShelfTrack standards and brackets system

approved by north American bluebird society by meeting or exceeding their standards

and Manual

Assorted miscellaneous option (S2) may include patterns like stripes

Magic Sliders 4 In. Round Furniture Glide,(4-Pack) Diffusers or with the ShelfTrack standards60mm (2 3 8' diameter) concave round. Moves everything as if it had wheels. Move up to 2500 lb. Won't scratch your floors. Works on any kind of surface: Wood floors, vinyl, ceramic tile, and carpeting. Ideal for casters or nonpermanent applications on footed furniture. For moving: Sofas, refrigerators, beds, tables, dressers, washers, dryers, and stoves. Will slide over doorsteps or floor edges with a height difference of up to 3 16'. Color: Grey.