The Panther Martin Classic Spinners deliver a time-tested construction that will catch the attention of a wide-range of predators, from trout to largemouth and everything in-between. Designed with a specially shaped convex/concave blade shape, the Panther Martin Classic Spinners are built with an in-line construction that generates a bright flash and an attention-grabbing vibration. Backed by a razor-sharp treble hook, the Panther Martin Classic Spinners deliver well-documented, fish-catching performance.