The Naja Tool & Supply, Inc. the largest jewelry supply store in Colorado is celebrating 40 years of business in 2016. Our large inventory of over 8,000 items ensures that the Naja has tools for every level of metalsmiths. One on one customer service is a trademark of the Naja and our staff has over 60+ years of jewelry making skills combined. As working metalsmiths we are always trying out cutting edge products and sharing them with our customers. The Denver School of Metal Arts, located right next door to the Naja, opened in 2010. The close affiliation with the Denver School of Metal Arts completes the full circle of service, supplies and education.