Both plunger plates come with the Chop Rite (and the Enterprise) 8 Quart Sausage Press/Stuffer (#35). If you need replacement Chop Rite and Enterprise Plunger Plates, get it here.
The smaller one is for use with the basket, and the larger will press the entire diameter of the main chamber.
Please note that Chop Rite products may require 4-8 weeks to ship. Because of this, we list the products as backordered, even though some orders ship the same week. If you require fast shipping, please check with us for a shipping time estimate.