Use the Dritz Seam Gauge for repeat markings and even spacing. The sliding marker can be moved and will stay in place for repeated marking. Use to measure and mark seam allowances and hems, mark pattern alterations and designs. This gauge can also be used to mark buttonhole spacing and length; as well as, to evenly space tucks and pleats.Details:Black6" each12 sewing gaugesUse holes in slider and end of gauge to draw scallops and circlesMetal and plasticPackaged in reusable zipper storage bag