If you want to add weight to you flies to get them down to the bottom faster then adding a gold bead to your favorite pattern is a good design choice.
Stonefly Nymph (Bead Head)– All Points Fly Shop + Outfitter
Shop fly tying material fishing with fast shipping and fast return. Great for tying and the yellow brass fly tying beads fits most baitcasting
Maximumcatch 25pc Brass Dumbbell With Eyes 3.2mm-6.3mm Fly Tying Beads Fly Tying Material
Brass Beads Fluo White, Fly Tying Heads and Eyes - Fly and Flies
SF 25PCS 1.5-4.6mm Cyclops Tungsten Bead Head Eyes for Fly Tying Nymph Head Ball Beads Gold
Fly Tying Beads, Fly Tying Eyes, Fly Tying Coneheads
Orange Head Mary – Fly Fish Food
Cyclops beads are made of brass and are expertly polished and drilled especially to be used on flies.
Cyclops Beads 3/32 Copper
Tungsten Hidden Bead Nymph - Brown
Aventik 25pc Pack Brass Dumbbell Shaped Fish Eyes Realistic Fly Tying Materials, Lure Jig, Easy to Use, Corrosion Resistant, Various Sizes & Colors for Trout, (Gold with red Eyes, 4.0mm) - Yahoo
Temu Explore the Latest Clothing, Beauty, Home, Jewelry & More
Fly Tying With Metal Cones - Fly Fisherman
Fly Fishing Jig Nymphs - The Missoulian Angler Fly Shop
Brass Cones - Gold - Cone Heads - Alaska Fly Fishing Goods
Brass Barbell - Round End - Allen Fly Fishing