Genric Hettich-T-C Steel 500mm Telescopic Ball Bearing Drawer Channel (Silver) Size:20-INCH   When it comes to runners and drawers, product diversity from us is unbeatable. With an option for any loading capacity, tried and proven established ball-bearing slides and the unique Quadro runner provide the best solution for convenient, reliable drawer opening and closing in all classes of furniture. Ball-bearing slides, use a perfected component - a ball. Hard steel balls run in precision profiles, providing lateral stability and easy action for drawers in all materials, in all sizes and also carrying heavy loads. Time and again, virtually indestructible. These runners provide options for part, full and over-extension runners. Ball-bearing slide from Hettich - smoothly running, strong and indestructible.