Rio Mainstream Intermediate Fly Line is a full sinking clear intermediate sink fly line. One of the most versatile styles of sinking line for lake fishing. Great price on full sinking line.

Line Size Line Color Sink Rate 30′ Head Weight Full Head Weight Head Length Total Length WF4I Clear 1.5-2 ips 133gr (8.6gm) 164gr (10.6gm) 37ft (11.2m) 80ft (24.4m) WF5I Clear 1.5-2 ips 155gr (10gm) 185gr (12gm) 38ft (11.5m) 80ft (24.4m) WF6I Clear 1.5-2 ips 178gr (11.5gm) 228gr (14.8gm) 39ft (11.8m) 80ft (24.4m) WF7I Clear 1.5-2 ips 204gr (13.2gm) 280gr (18.1gm) 40ft (12.1m) 80ft (24.4m) WF8I Clear 1.5-2 ips 225gr (14.6gm) 315gr (20.4gm) 41ft (12.5m) 80ft (24.4m)