Firehole round tungsten beads get your nymphs and streamers down fast! For your jig flies, try the Firehole Stones - Slotted Tungsten.
2.0mm-4.0mm contain 36/pk
4.5mm contain 28/pk
Size Chart:
3/16 (4.5mm) ~ #4 - #8
5/32 (4.0mm) ~ #8 - #12
9/64 (3.5mm) ~ #10 - #14
1/8 (3.0mm) ~ #10 - #14
3/32 (2.5mm) ~ #14 - #18
5/64 (2.0mm) ~ #18 - #22