XL-C 7166 justo slide double dormotion units are designed for 120kg glass/wood sliding panels with the feature of having both soft closing and soft opening operation on sliding door panels. The system contains a DDM (double dormotion unit) which has a spring mechanism for making the door to shuts or open slowly when it touches the activator or damping unit without sudden impact force The JS 120 kg DDM package contains 1 No's of double dormotion unit with damping unit, activator plate. It is very easy & flexible to mount and works on a silent and easy operating system, with soft-closing or soft-opening operation. The list of benefits for this product is also quite extensive. For traders, it is a complete solution for single sliding door panels, and soft closing/soft opening is also included in the standard package. For installers, it comes with faster installation with suitability available 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.