Rare early 14 bit set. 3-16. A complete graduated set of 14 bits. All marked RUSSELL JENNINGS. All are bright, clean and sharp. Sizes 3 through 16 which correspond to 3/16 inch to 1 inch. The bits were patented in 1855. The three-tiered box was patented in 1890. They were bought out by STANLEY in 1944. The best user auger bits ever made!