Slotted Tungsten from Firehole Outdoors. These tungsten beads are made to fit a jig hook.
Guidelines for choosing the right size of bead for hook:
2mm = hook size 18-22
2.5mm = hook size 14-18
3mm = hook size 10-16
3.5mm = hook size 10-14
4mm = hook size 8-12
4.5mm = hook size 4-8
