100 Anodized Niobium Jump Rings 18 gauge Handmade in Your Pick of Color and Diameter

These 18 gauge Niobium Jump Rings are perfect for your special jewelry creations. This listing is for 100 Custom Handmade Jump Rings. Any Jewelry made with these jump rings will be a stand out. Niobium is a rare inert metal so it is hypoallergenic and terrific for sensitive skin. It is also available anodized in 21 amazing colors. COLOR OPTION Natural Silver Black Vintage Bronze Dark Blue Medium Blue Bright Blue Steel Blue Silver Blue Lichen Yellow Brass Old Gold Peach Rose Gold Rose Pink Purple Pink Dark Purple Bright Purple Blue Purple Turquoise Green Peacock Rainbow YOU PICK Diameter 3.75mm ID (Inside Diameter) 4mm ID 5mm ID Size Mix The colored niobium is still 100% niobium...the color is not a coating. We run an electrical current through the niobium which changes the way light bounces off of them. The refraction of the light is the color you see. The chemical composition and it's hypo allergenic nature is not changed at all. They do not contain nickel or lead. Let us know if you