This item was only loaded onto a boat during fishing trips and has never been used. Please check the photos as they are of the actual item. The choke wire, main rope, end rope, and magnet joint have been replaced with new ones. Made of fiberglass, it bends, making it useful for tuna as it won't break. There is a product page on Rakuten Ichiba, so I'll include the title. Please search there for more detailed information. "【Official】Nabra G Large Fish Dedicated Harpoon Tuna Marlin Large Fish Harpoon Fish Spear Fishing Mori Chokki Harpoon Fish Spear Fishing Chokki Tip Chokki Spear Fishing Fiberglass Hand Harpoon Fishing Boat Pleasure Boat Fishing Spear Fishing Lightweight Tip Driving Harpoon Yellowfin Tuna Driving Harpoon FUNKS NABURA" Fishing type/species: Boat, Other Type: Other, Driving Harpoon Type: Fishing Tool