The externally adjustable ExactSlice System features optimized speeds, and an external lever that allows you to go from thick to thin with one slide of the lever. The 3-in-1 Wide Mouth Feed Tube lets you accommodate large items—like tomatoes, cucumbers and potatoes with very little prep beforehand. Base Material - Polycarbonate The UltraTight Seal Features a specially designed locking system with leak-resistant ring that allows you to fill the work bowl to capacity with ingredients without worrying about making a mess. High, Low & Pulse speed options allow you to precisely and properly handle soft or hard ingredients with the touch of a button. Model KFP1133 includes 11-Cup Work Bowl, 3-Cup Work Bowl, Adjustable Slicing Disc, Reversible Shredding Disc, Multipurpose Blade, Multipurpose Blade for 3-Cup Work Bowl, Dough Blade, Storage Case.