If you need a grater for vegetables or spices like nutmeg, it's a cinch to make your own. A metal jar lid is best, but any piece of thin but sturdy metal that you can hold on to works.
Put the lid on a piece of wood and punch holes in it with a nail. It's that simple. The side where the nail comes out will be filled with metal "spikes" where the nail forced it out. Fill the area with these holes and you're done.
Use this to grate anything. Use smaller nails for nutmeg, larger ones for carrots, etc.