Knife handle with metallic structure and simple spring.The Roncolo is not exactly a knife, but it has a similar structure and in some cases the same function. It comes from the “roncola”, a fixed blade tool of antique origin, suitable for cutting branches and wood. Light and easy to use it can be carried comfortably in a pocket. It has always been a worthy reserve knife for farm workers. Ideal for fruit picking, collecting vegetables and gardening.