XL-C 7143 Justo Slide is designed for wooden multiple sliding panels to slide over each other in Bi-parting synchronized manner to cover the wide opening. The system contains a pulley and toothed belt to close or open the door panel progressive way with low effort and it has silent running rollers with POM Wheel highly resistant to abrasion JS 7143 system has a weight carrying capacity of upto 120Kg. The JS 120 kg WD package contains 4 sets of T-side assembly brackets screwed on a wooden panel, 4 sets of paired rollers, a pair of pulleys, a toothed belt & clamps, wall fixing clamps floor guide, and a 5mtr track. It is very easy & flexible to mount and works on a silent and easy operating system. The list of benefits for this product is also quite extensive. For traders, it is a complete solution for a bi-parting synchronized sliding door with an option of a single sliding system with soft closing and soft opening additionally. For Installers, it comes with faster installation & has a height adjustment of upto 2mm, and provides suitability for both wall or ceiling mounts. For the architects/specifiers, this product provides that premium-ness to suit the customer's needs making it suitable for modular, residential & commercial use. And at last, it is a superior quality item tested at high standards of quality, durability, and ease of handling.