In this short video, jewelry-making expert Tammy Honaman explains the basics of aluminum jumprings, handy corrosion-resistant findings that are available in a wide range of fun anodized color options: • http://www.firemountaingems.com/shop/aluminum-jumprings • http://www.firemountaingems.com/shop/calipers Shop the jewelry-making supplies you need at http://www.firemountaingems.com