FONS & PORTER-Directional Arrow Pins are great to use for all your sewing and quilting projects. They come in a variety of styles and each style comes in a designer metal box that has a clear window for easy viewing. Pin assortment includes 180 pieces. Includes extra fine with flat arrow shaped heads arrows for up down left and right. Nickel Plated Steel. Measures 2 inches. Can be used to designate pressing directions for seam allowances of quilt blocks borders and tops as desired.