The Daiwa Gekkabijin 4lbs-150m Fluorocarbon Line is a 0.165mm ultra-fine, highly sensitive, hard wearing, main line designed specifically for light salt aji game fishing. With a specific gravity of 1.78, the Polyester Line will sink fastest in water (as compared to all other polymer lines) allowing the lure to reach its intended depth without being impeded by line buoyancy. The line is clear coloured and almost transparent in water. Type: Fluorocarbon Line Material: Fluorocarbon PE Rating: 4lbs Line Diameter: 0.165mm Specific Gravity: 1.78 Length: 150m Colour: Clear Country of Manufacture: Japan