Compared to a standard shallow stinger, this one has a quick and intuitive lead change system to adjust how fast the jig will sink. The weight can be easily removed or changed to another weight. The spikes are covered with plastic material to make the rig fit better in the jig body. Small #1/0 - Fits jigs between 18-22cm Medium #2/0 - Fits jigs between 22-26cm Large #3/0 - Fits jigs between 26-30cm