RIO’s Mainstream series of fly lines have been developed to meet the overall needs of the average and novice fly fisher, and are designed to optimize rod performance with slightly heavier and shorter head lengths.

Line Size	Sink Rate	Line Color	30' Head Weight	Head Length	Total Length
WF4I	1.5-2 IPS	Clear	133gr (8.6gm)	37ft (11.2m)	80ft (24.4m)
WF5I	1.5-2 IPS	Clear	155gr (10gm)	38ft (11.5m)	80ft (24.4m)
WF6I	1.5-2 IPS	Clear	178gr (11.5gm)	39ft (11.8m)	80ft (24.4m)
WF7I	1.5-2 IPS	Clear	204gr (13.2gm)	40ft (12.1m)	80ft (24.4m)
WF8I	1.5-2 IPS	Clear	231gr (15gm)	41ft (12.5m)	80ft (24.4m)
WF4S3	3-4 IPS	Brown	133gr (8.6gm)	38ft (11.6m)	80ft (24.4m)
WF5S3	3-4 IPS	Brown	155gr (10gm)	38ft (11.6m)	80ft (24.4m)
WF6S3	3-4 IPS	Brown	178gr (11.5gm)	40ft (12.2m)	80ft (24.4m)
WF7S3	3-4 IPS	Brown	204gr (13.2gm)	42ft (12.8m)	80ft (24.4m)
WF8S3	3-4 IPS	Brown	231gr (15gm)	42ft (12.8m)	80ft (24.4m)
WF4S6	6-7 IPS	Black	120gr (7.8gm)	38ft (11.6m)	80ft (24.4m)
WF5S6	6-7 IPS	Black	140gr (9.1gm)	38ft (11.6m)	80ft (24.4m)
WF6S6	6-7 IPS	Black	160gr (10.4gm)	40ft (12.2m)	80ft (24.4m)
WF7S6	6-7 IPS	Black	185gr (12gm)	42ft (12.8m)	80ft (24.4m)
WF8S6	6-7 IPS	Black	210gr (13.6gm)	42ft (12.8m)	80ft (24.4m)

Rio Make the Connection Tee