Tri Cities Tackle Deluxe Stack Beads look like 5 multiple beads so you can create rigs and add attraction to lures with greater speed. Stack beads are great for all of your lure making needs. Use on harnesses, spinners, flies, spinnerbaits and all your other lures. Each Stack Bead is like sliding on 5 beads (6mm, 5mm, 4mm, 3.5mm, 3mm) at a time. Now that's a real time saver !!!