XXB Shimano Mastiff FC Fluorocarbon Line - 18lb - 200yds Ski Vests Weather Channels with Weather Alert

Weather Channels with Weather Alert

and in this case it is

Heavy-duty marine grade construction

One of the most popular monofilaments in North America due to its incredible strength

Keeps out the cold & wet

XXB Shimano Mastiff FC Fluorocarbon Line - 18lb - 200yds Ski Vests Weather Channels with Weather AlertDesigned and manufactured in Japan, the Shimano Mastiff FC Fluorocarbon Line undergoes strict quality control to develop a consistent thickness of the line for enhanced performance on the water. The line surface itself is measured down to just 1 micron, far surpassing the standard quality control of other lines. With this more consistent thickness, the line passes off the spool and through your guides much easier which in turn improves casting