Spin-fishermen can enjoy one of the best fly-fishing patterns with the Mepps spin fly. This fly has gold blades. Mepps Spin Fly, with a Chenille/Woolly Worm style body, is a sure bet for trout and panfish. With a single hook, it's virtually snagless. Size: 1/12 oz. (Mepps Size 0). Colors: (001)White, (003)Black, (004)Yellow, (008)Green, (068)Brown, (072)Black/Orange. Cancer and Reproductive Harm- www.P65Warnings.ca.gov.