The Marathon Senior Single Track Sliding Door Gear from Henderson has the same capabilities as the Marathon Junior, except that it can work with a heavier weight of door leaf. This model is designed for use on wooden and metal sliding doors which weigh up to 90kg. It features nylon plates and guide channel, helping to provide a smooth and quiet operation and it is easy to adjust. Simply add on optional extras such as a fire door kit or self closing kit to complement the system and add extra capability. Kit Contains:1x Top Assembly2x Nylon Top Plates2x Wall Mounted Stops1 x Nylon Floor Guide1 x Channel1 x Guide Channel

• Easily adjustable door height
• Simultaneous action option
• For sliding wooden and metal doors weighing up to 90kg
• Soffit fix option available
• Can be used externally if gear is adequately protected against the weather