Add the perfect tool to your collection with the Uniquely Creative Corner Rounder Punch. The perfect punch for beautifully rounded corners. CORNER ROUNDER PUNCH SPECIFICATIONS: Compact and ergonomic 3-in-1 tool Create flawless rounded corners on scrapbook paper and cardstock Simple and safe to use Cuts 4mm, 7mm and 10mm corners For best results, hold punch in one hand and align paper into punch. Apply pressure on the clamp at the same time as holding paper into the punch to securely punch the material