Nut Cracker and Lobster Opener, 6-Inch, Pack of 4 by The Cook's Connection These lobster crackers are very durable and easy to use Great for lobster, seafood, shell fish, oyster, crab shells and all of your favorite nuts Double jaw device fits all sizes and is dishwasher safe Has an easy grip, is durable and withstands wear and tear Great for home or commercial use