These links may prove helpful to you in sorting out the various manufacturers specs for weights.
RIO Fly Line Selector Guide
RIO Gold - Freshwater Fly Lines | RIO
Airflo Ridge Rangefinder Fly Line
Scientific Anglers Fly Fishing Lines: Freshwater, Saltwater, Spey, Shooting, Leaders, Tippet, Backing
Cortland - 444 Classic Fly Lines
AFTM Tables / Grains to line designation numbers
Links were rounded up thanks to many forum members
Ard
RIO Fly Line Selector Guide
RIO Gold - Freshwater Fly Lines | RIO
Airflo Ridge Rangefinder Fly Line
Scientific Anglers Fly Fishing Lines: Freshwater, Saltwater, Spey, Shooting, Leaders, Tippet, Backing
Cortland - 444 Classic Fly Lines
AFTM Tables / Grains to line designation numbers
Links were rounded up thanks to many forum members
Ard
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