The Daiwa Gekkabijin 4lbs Fluorocarbon Leader is a 0.165mm diameter, soft but durable type of leader line designed specifically for aji fishing. Made from 100% fluorocarbon, the line is non-water absorbent and clear in colour making it almost invisible under water. Each spool is wound with 30m of line. Type: Soft Ultralight Leader Line Material: Fluorocarbon Diameter: 0.165mm Line Rating: 3lbs (1.36kg) / 4lbs (1.81kg) / 5lbs (2.27kg) / 6lbs (2.72kg) Length: 30m Colour: Clear Country of Manufacture: Japan