HENDERSON Husky Folding Track Sliding Door Gear (Fitting Only)Fitting kit to suit the Henderson Husky 25 Folding Track Sliding Door Gear. These kits containing all of the fixings required to add an extra 2 doors (HF2 25) or an extra 4 doors (HF4 25) to the existing kits. Husky door gear fitting kits contain all of the components contained in the main kits except for the track channel, so they are the ideal solution for extending an existing system. For timber, timber framed and composite doors For light