Clay cutter, Kemper®, brass and rubber, 4 inches with 3/32 inch square hole and built-in pop-out tool. Sold individually. - Fire Mountain Gems and Beads
5 Star Kemper Cutters 3/8" to 3/4"
Amazon.com: Kemper Clay Pattern Cutters -5 Pc Square Set by Kemper: Home & Kitchen
Kemper Klay Kutters Circle Set Clay Bread Dough Modeling Paste Paint & More! - Walmart.com