The Manual Tomato/ Vegetable Grinder remove seeds and peelings from tomatoes, leaving you with only the finest puree. The Tomato Press can also puree other fruits and vegetables through its durable stainless steel screen. The vacuum pressure base with lever holds firmly to your counter top with over 220 pounds of holding power and is made of natural rubber that is designed to resist age. This unit completely disassembles for easy cleaning and is dishwasher safe. It is made of a non-toxic polypropylene that never stains.