Heavy duty HGST Fuji Tip Tops are perfect for heavy boat rods and feature the a wider bowed frame to reduce line tangle. Fuji HGST tip tops utilize Silicone Carbide rings - one of the most advanced ceramics on the market today. Diamond Polished SiC rings are mounted directly to the gunsmoke stainless steel frame of the Fuji HGST which reduces weight, increases heat dissipation, and intensifies line sensitivity.