This is for 1 pcs. Fons & Porter Quarter Inch Seam Markers-2/Pkg. DRITZ-Fons & Porter Quarter Inch Seam Markers Ruler. Mark 1/4in sewing lines on patchwork pieces with this nifty set of tools. It is a quick and easy method for half-square triangles and hourglass units. Instructions for two patchwork blocks included. Two piece set. features an acrylic construction with easy to follow black and yellow markings. Made in USA.