ZPI-Knobs Anglers are always touching the knob when fishing. ZPI believes that comfortable knob is essential to bring high performance in fishing. Producing numbers of different types of trial productions based on human engineering and tested by pro staffs, we were finally able to create the perfect knob, EVA Light Knob Slim-long. Using EVA material it has high gripping ability. Its unique shape makes it easier for fingers to hook on, enabling reeling without much power. This is the high performance knob suitable for any styles of fishing.