The Spro John Crews Little John MD 50 Crankbait was designed by B.A.S.S. Elite Series Angler John Crews. This medium diver crankbait runs about 9 feet deep on 10 lb monofilament line to get down to those fish hanging on ledges, where predator like to feed. The Little John MD 50 comes in an array of fish-catching colors with Gamakatsu treble hooks.