With this punching pliers, create your own notches in the paper patterns to match the parts with precision during construction. Spring -spurred for greater ease of use. Realizes rectangular cuts 7 mm deep in order to mark Your notches.Matière: steel. Astuce: to transfer the stones of the notches to the fabric, use a marking pen for fabric to mark through the notch cut on the sewing margin. Ideal for students, tailors and all sewing enthusiasts.