Quiver tips with a base diameter of 3.0 mm and a top diameter of #4 are designed for medium class rods. A classic quivertip to all middle-class fishing rods. This quivertip has orange markings and is designed for the following ZEMEX feeder rod models: Hi-Pro Super Feeder 12ft - 80g, Hi-Pro Super Feeder 13ft - 90g, Razer Progressive 12ft - 80g, Icon Tournament Feeder 12.6 ft - 90g.