Pandahall 1 Box 420pcs 6 Colors 3mm Column Brass Tube Crimp Beads, Cadmium Free & Lead Free & Nickel Free Metal Color: Antique Bronze & Red Copper & Golden & Silver & Platinum & Black Finish: Cadmium Free & Nickel Free & Lead Free Shape: Column; Material: Brass; Box Size:66mm Size: about 3mm wide, 3mm long, hole: 2~2.5mm; about 420pcs/box. The crimp beads could be fixed the main beads, great for jewelry making! <span class="a-text-bold">Usage: </span>crimp beads are designed to protect jewelry wire against wear from clasps and other sharp-edged components. <span class="a-text-bold">Easy to Use:</span> use flat nosed plier to crimp to hide the knots in  your string, leather, suede, and other fibers; if the tip breaks, you  won&#039;t have beads scattered everywhere. <span class="a-text-bold">Wide Application: </span>great for DIY your special &amp; unique  jewelry, excellent size for suspending small items from delicate  necklaces, bracelets, anklets. <span class="a-text-bold">Enjoy Your Creativity:</span> Learn simple and exciting techniques to make jewelry just like you see in department stores. <span class="a-text-bold">Plastic Box Included: </span>these tube beads are placing  independently in 12 grids box organizer storage container, keep your  things tidy and safe. <span class="a-text-bold">6 Mixed Colors:</span> Antique Bronze &amp; Red Copper &amp; Golden &amp; Silver &amp; Platinum &amp; Gunmetal. Crimp beads are designed to fix main beads and protect jewelry wire against wear from clasps and other sharp-edged components. You always need tube crimp beads when jerelri making. Tube crimp beads&#039; usage in bracelet making. Tube crimp beads&#039; usage in necklace making.