Salmon-catching power at the maximum. The Sting Fish lure may be the best application of the EChip on the market. The rapid shaking of the EChip in the head of the Sting Fish loads the water around the lure with electric pulses that salmon cannot ignore. The result is more strikes. Per each. Sizes: 3", 5-1/2". Colors: (351)Rainbow Trout, (381)Red Tiger, (383)Chartreuse Ends, (385)Blue Scale, (388)Blue Tiger, (408)Pink/Purple, (412)Hot Frog, (413)Blue Barra.