These templates are a quick, easy and economical answer to creating metal clay or polymer clay bezels for cubic zirconia, lab created or other fireable gemstones in standard sizes of 6mm and larger. Each template has two bezel wall thicknesses for each size of gemstone, depending upon whether you want a smaller, narrow bezel, or a larger, wider bezel. Stone sizes in mm are listed on the left side of the template with 2 corresponding bezel wall thicknesses in mm listed on the right.