NGOSEW Ruler Free Motion Darning Foot 1/4" for Frame Free Motion Quilting Embroidery Fits Janome 1600P,1600P-DX, 1600P-QC, 1600 series, Pfaff Grand Quilter RULER Foot with 1/4" wall to prevent the ruler from touching the needle. Used on Qilting frame for free motion quilting giving accurate 1/4" seam allowance HIGH SHANK OPEN TOE Large Hoop Free-Motion Darning Foot. Fits many high shank sewing machines