"Manufacturers of equipment for the production of glass bottles supply the market with all kinds of mold kits, which have become possible to purchase without problems. Our company has collected the most popular samples in its catalogues for the convenience of customers. We offer to buy them on our website! Among the assortment there is such a position as "plunger bushing". The material from which it is made is cast iron. This part, together with the plunger, forms a pair that provides an important function of forcing the finished product out of the mold. "