Looking for something a little different for your sliding door track system? Inject a classy dose of aesthetics with this elongated tubular rolling door hardware. The contemporary hardware is sure to lighten and brighten a sliding door or barn door in any home or office setting. The product can hold as much as 198 pounds in weight and is made of 304 solid Stainless Steel grade material. These rollers should be installed on the face of a wood door and hold 35mm-45mm thickness. Turn your hefty roller door into a smooth, quiet operation that requires little to no maintenance. The rollers are very simple to install.