LEM Clamp On Meat Tenderizer - Two cast iron rollers are full of tenderizing points that make tender pieces of the toughest meat. The tenderizer's plastic top cover protects the user from touching the moving parts. Accepts up to 1/2" piece of meat. Opening of protective cover is 4" x 1/2". Will accept 1/2 in piece of meatTop opening 4 W x 1/2 L (in)Will clamp onto a table 1 1/2 in wide Protective coverCast iron tenderizing rollersBPA Free