Easy To Use: Clamp-on style quickly attaches to any table or countertop up to 1 1/2" thick. Easy hand-crank operation tenderizes the toughest cuts of meat without pounding or hammering. Durable Construction: Made of durable cast iron with geared cast iron tenderizing points. The removable plastic cover protects the user from moving parts. Specifications: The top opening measures 4" x 1/2" and accepts pieces of meat that are up to 1/2" thick. This gives you the ability to tenderize several different types and sizes of meat. Cleanup Instructions: You need to disassemble the clamp tenderizer to clean it properly. Hand wash only; rinse and dry parts thoroughly. We recommend spraying with Silicone Spray to keep your tenderizer looking like new. Stand Behind Our Products: We offer a one-year factory warranty on our Clamp-On Tenderizer and lifetime customer support for any of your questions. We also carry replacement parts for a large variety of our products, past and present.