Cyclops Brass Beads – Hareline
Countersunk brass fly tying beads in popular sizes and colors. Perfect for getting your nymphs down to the strike zone.
| Bead Size MM | Bead Size Inches | Hook Size |
|---|---|---|
| 1.5mm | 1/16" | 20-24 |
| 2.0mm | 5/64" | 18-20 |
| 2.4mm | 3/32" | 16-18 |
| 2.8mm | 7/64" | 12-16 |
| 3.3mm | 1/8" | 12-16 |
FAQ
What are the available sizes of Cyclops brass beads?
The available sizes are 1.5mm, 2.0mm, 2.4mm, 2.8mm, and 3.3mm.
What hook sizes are compatible with these beads?
Hook sizes range from 12 to 24, depending on the bead size. For example, 1.5mm beads fit hooks 20–24, while 3.3mm beads fit hooks 12–16.
Are these beads suitable for nymph flies?
Yes, these countersunk brass beads are ideal for nymph flies and help get them down to the strike zone.




Harry Metcalfe –
These brass beads are durable and fit perfectly on my hooks. The 2.4mm size works great for my 16-18 hook patterns. Easy to tie and consistent in size.
Theresa Mitchell –
I’ve been using these for several seasons. The brass finish holds up well in water and doesn’t tarnish. The 1.5mm size is perfect for small nymphs.
Irene Paige –
Good quality beads, easy to work with. The hook size compatibility is accurate. Slightly more expensive than some alternatives, but worth it for durability.
Sophie Metcalfe –
Excellent for tying realistic nymph patterns. The countersunk design keeps the bead secure and the fly looks natural in the water.