Goelst G-Rail's 5600 Series is a cord operated curtain track system suitable for medium and heavy weight curtains. Designed for larger applications-system 5600 can be curved and bent to a minimum radius of 8 inches. G-Rail's 5600- The elegant rounded profile remains unobtrusive when installed with fixing clamp 6050, control side and cord drops can be altered on site with relative ease making the 5600 system uniquely versatile.