Zebra Instruments makes rugged, professional diagnostic tools and parts for the HVAC and Refrigeration Service Industry. Located near Austin, Texas, we ship our products to all corners of the globe. Our products are proudly made or assembled in the U.S.A. We provide diagnostic tools, adapters, and accessories for surge protection, repair kits, and safety power adapters, as well as alligator lead sets, circuit protection products, and more.