DRITZ-Metal Seam Gauge. A small multi-purpose metal ruler with a point turner and sliding right-angle marker that stays in place for repeated marking. Use the point to gently push out corners on collars; lapels; cuffs; pockets and waistbands. Use the sliding marker to measure and mark hem depths; seam allowances; establish button hole spacing and length and to evenly space tucks and pleats. This package contains one 7 inch metal ruler. Imported.