Briwax ChairRX Repair Kit - First-Aid for Ailing Chairs, 4 Oz.Briwax ChaiRX is first aid for loose chair joints. Briwax ChairX's unique formula swells the joints, making them as tight as when they left the workshop then seals them, stopping further shrinkage. It is great for all types of wood where round or square tenons join, such as wooden chairs, tables, staircases and other fine wood furnishings. Each package contains 4 oz. of ChaiRX, a syringe and 3 needle tips. ChairX has been highly recommended by antique