The juicer includes 2 sizes of reamers for small to large citrus fruit, from Key limes to grapefruits. Simply select the best reamer size for your fruit, turn the dial to select your pulp level, and push down to juice. Just release pressure to stop. The juicer automatically reverses when needed for maximum juice extraction. The large 34 oz. pitcher holds enough juice to serve a family or a small crowd and has easy-to-read measurement markings to make following juice recipes easy.