Flakes are a great choice for any level of knapper. Most of our flakes can easily be worked with a pressure a flaking technique, while some may require some percussion. Texas chert comes from central Texas and is well known for its ease of work ability. Your purchase will contain 10lbs of Texas chert flakes that range from 2-4 inches long and are a great choice for the beginner to expert knapper. Stone shown in the picture is an example of what to expect. Actual pieces may vary. Skill Range: Beginner to Expert.