1. Solid construction, 360 degree swivel: runs smoothly on the floor and without noise. 2. With brake: stops the rotation of the wheel and the assembly, easy to lock/unlock. 3. Versatile functions: suitable for many general applications, indoors and outdoors. 4. Easy to install, square plate with hole for screwing or bolting. 5. Perfect for a wide variety of uses, from DIY to industrial applications (home, schools and shops). For example, for cabinet, trolley, table, computer desk, wardrobe, drawers, sofa bed, pallet furniture, small machines, shelves, etc.