"Keith Derkatz is the founder and President of Katz Knives Inc. The company was formed in 1991, to design and implement high quality knives, axes and accessories, All the knives are designed by Keith personally and contracted out, to high quality manufacturers in Japan and Spain. Katz has introduced over 125 different models and variations, including fixed, folding, survival and pocket knife models.
XT80 & XT70 Stainless Steel is a proprietary type of steel used by Katz. XT80 tests at 58-59 on the Rockwell “C” scale, and XT70 tests at 56 on the Rockwell “C” scale. With the resilience of this excellent Stainless Steel, it hold and retains an edge to the high standard for which Katz Knives is known for."