Includes a selection of Hobie color welding rod. Fix holes and cracks or customize polyethylene products. Insert the rod into the tip and place against the product to be welded. The tip heats the plastic surface and the rod. As the materials melt, move the tip along the repair area while pushing the rod into the tip to fill the repair area with new plastic material. Plug small holes after moving accessories. Rebuild keels after excessive wear from dragging.