This Crop-A-Dile Corner Chomper combines the power of the Crop-A-Dile with a corner rounder, allowing you to easily cut through paper, cardstock, leather, acrylic, chipboard, plastic and more. The Chomper is a 2-in-1 corner rounder, which will cut both scallop and stub corners. The corner guides help you see exactly where you are cutting, and then fold flat for easy storage. The plastic guards will protect your fingers from getting cut or pinched. This tool makes a perfect cut for pictures and card making. Size:guide: stub cut = 10mm across points after cut.