Some bags say 97%. Some say nothing. Here is what the number means, what the whole range is worth on an actual fly, and how to check any bead yourself with a kitchen scale.
The Stone Stack: How to Weight a Fly on Purpose
Three Firehole Stones components share one bore, so weight, profile and color stop being the same decision. Component weights, the arithmetic, and where to start.
Oversizing Tungsten Beads for Euro Nymphing
The bead chart says size down. Here's the one time you do the opposite on purpose, to punch a euro nymph to the bottom, and the jigs built for it.
Tungsten Bead Size Chart: What Size Bead for Every Hook
The wrong bead size is the most common reason a good pattern fishes badly. Here's the tungsten bead size chart we use at the bench, plus when to run slotted vs. round.