Cultural Paperweights - Set of 4 [Size] Diameter 60mm / Height 30mm [Weight] 360g [Material] Iron Use as weights to hold down fabric and patterns when cutting and drafting. The stable weight allows for clean cutting even with thick fabrics. They can be stacked for storage when you have multiple. A groove on the back allows you to set a French curve, which can also be used as a tool to measure curves. The raised part is shaped for easy gripping.