This is 300m of PE line, size 1. It has high strength and low stretch, so you can reliably detect bites when fishing for bottom fish like Akou (rockfish) and Oomontahata (dusky grouper), as well as sea bass and black bass. Size 1, 18lb, 300m * Color-coded in 5 colors every 10m. It has similar strength to 4-号 fluorocarbon. This product offers good value compared to domestic products. Please purchase after confirming the actual product photos.